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Finding the Fourth Proportional to 529,737.04, 730,552.80 and 394,110.64

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Solution

The fourth proportional to 529,737.04, 730,552.80 and 394,110.64 is: 543,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,737.04 : 730,552.80 = 394,110.64 : x
  2. Step 2: Convert to fraction form
    529,737.04/730,552.80 = 394,110.64/x
  3. Step 3: Cross multiply
    529,737.04x = 730,552.80 × 394,110.64
  4. Step 4: Simplify right side
    529,737.04x = 287,918,631,561.79
  5. Step 5: Solve for x
    x = 287,918,631,561.79/529,737.04
  6. Step 6: Final answer
    x = 543,512.37

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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.