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Finding the Fourth Proportional to 532,150.26, 734,978.26 and 387,600.04

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Solution

The fourth proportional to 532,150.26, 734,978.26 and 387,600.04 is: 535,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,150.26 : 734,978.26 = 387,600.04 : x
  2. Step 2: Convert to fraction form
    532,150.26/734,978.26 = 387,600.04/x
  3. Step 3: Cross multiply
    532,150.26x = 734,978.26 × 387,600.04
  4. Step 4: Simplify right side
    532,150.26x = 284,877,598,063.85
  5. Step 5: Solve for x
    x = 284,877,598,063.85/532,150.26
  6. Step 6: Final answer
    x = 535,333.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.