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Finding the Fourth Proportional to 607,792.40, 910,376.40 and 502,816.40

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Solution

The fourth proportional to 607,792.40, 910,376.40 and 502,816.40 is: 753,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,792.40 : 910,376.40 = 502,816.40 : x
  2. Step 2: Convert to fraction form
    607,792.40/910,376.40 = 502,816.40/x
  3. Step 3: Cross multiply
    607,792.40x = 910,376.40 × 502,816.40
  4. Step 4: Simplify right side
    607,792.40x = 457,752,184,092.96
  5. Step 5: Solve for x
    x = 457,752,184,092.96/607,792.40
  6. Step 6: Final answer
    x = 753,139.04

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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.