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Finding the Fourth Proportional to 624,153.60, 936,230.40 and 224,985.60

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Solution

The fourth proportional to 624,153.60, 936,230.40 and 224,985.60 is: 337,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,153.60 : 936,230.40 = 224,985.60 : x
  2. Step 2: Convert to fraction form
    624,153.60/936,230.40 = 224,985.60/x
  3. Step 3: Cross multiply
    624,153.60x = 936,230.40 × 224,985.60
  4. Step 4: Simplify right side
    624,153.60x = 210,638,358,282.24
  5. Step 5: Solve for x
    x = 210,638,358,282.24/624,153.60
  6. Step 6: Final answer
    x = 337,478.40

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Half scale
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Double scale
Find fourth proportional to 624,154.60, 936,231.90 and 224,986.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.