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Finding the Fourth Proportional to 656,364.04, 984,545.95 and 157,728.04

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Solution

The fourth proportional to 656,364.04, 984,545.95 and 157,728.04 is: 236,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,364.04 : 984,545.95 = 157,728.04 : x
  2. Step 2: Convert to fraction form
    656,364.04/984,545.95 = 157,728.04/x
  3. Step 3: Cross multiply
    656,364.04x = 984,545.95 × 157,728.04
  4. Step 4: Simplify right side
    656,364.04x = 155,290,502,983.44
  5. Step 5: Solve for x
    x = 155,290,502,983.44/656,364.04
  6. Step 6: Final answer
    x = 236,592.03

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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.