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Finding the Fourth Proportional to 533,677.56, 736,468.98 and 291,957.36

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Solution

The fourth proportional to 533,677.56, 736,468.98 and 291,957.36 is: 402,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,677.56 : 736,468.98 = 291,957.36 : x
  2. Step 2: Convert to fraction form
    533,677.56/736,468.98 = 291,957.36/x
  3. Step 3: Cross multiply
    533,677.56x = 736,468.98 × 291,957.36
  4. Step 4: Simplify right side
    533,677.56x = 215,017,539,122.69
  5. Step 5: Solve for x
    x = 215,017,539,122.69/533,677.56
  6. Step 6: Final answer
    x = 402,897.85

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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.