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Finding the Fourth Proportional to 624,379.40, 936,569.10 and 466,915.40

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Solution

The fourth proportional to 624,379.40, 936,569.10 and 466,915.40 is: 700,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,379.40 : 936,569.10 = 466,915.40 : x
  2. Step 2: Convert to fraction form
    624,379.40/936,569.10 = 466,915.40/x
  3. Step 3: Cross multiply
    624,379.40x = 936,569.10 × 466,915.40
  4. Step 4: Simplify right side
    624,379.40x = 437,298,535,954.14
  5. Step 5: Solve for x
    x = 437,298,535,954.14/624,379.40
  6. Step 6: Final answer
    x = 700,373.10

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Double scale
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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.