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Finding the Fourth Proportional to 624,363.90, 936,545.85 and 624,363.90

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Solution

The fourth proportional to 624,363.90, 936,545.85 and 624,363.90 is: 936,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,363.90 : 936,545.85 = 624,363.90 : x
  2. Step 2: Convert to fraction form
    624,363.90/936,545.85 = 624,363.90/x
  3. Step 3: Cross multiply
    624,363.90x = 936,545.85 × 624,363.90
  4. Step 4: Simplify right side
    624,363.90x = 584,745,419,434.82
  5. Step 5: Solve for x
    x = 584,745,419,434.82/624,363.90
  6. Step 6: Final answer
    x = 936,545.85

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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.