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Finding the Fourth Proportional to 626,509.56, 940,545.60 and 623,631

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Solution

The fourth proportional to 626,509.56, 940,545.60 and 623,631 is: 936,224.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,509.56 : 940,545.60 = 623,631 : x
  2. Step 2: Convert to fraction form
    626,509.56/940,545.60 = 623,631/x
  3. Step 3: Cross multiply
    626,509.56x = 940,545.60 × 623,631
  4. Step 4: Simplify right side
    626,509.56x = 586,553,393,073.60
  5. Step 5: Solve for x
    x = 586,553,393,073.60/626,509.56
  6. Step 6: Final answer
    x = 936,224.17

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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.