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Finding the Fourth Proportional to 624,132.70, 936,199.05 and 624,132.70

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Solution

The fourth proportional to 624,132.70, 936,199.05 and 624,132.70 is: 936,199.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,132.70 : 936,199.05 = 624,132.70 : x
  2. Step 2: Convert to fraction form
    624,132.70/936,199.05 = 624,132.70/x
  3. Step 3: Cross multiply
    624,132.70x = 936,199.05 × 624,132.70
  4. Step 4: Simplify right side
    624,132.70x = 584,312,440,813.94
  5. Step 5: Solve for x
    x = 584,312,440,813.94/624,132.70
  6. Step 6: Final answer
    x = 936,199.05

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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.