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Finding the Fourth Proportional to 573,302.72, 791,511.84 and 369,425.60

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Solution

The fourth proportional to 573,302.72, 791,511.84 and 369,425.60 is: 510,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,302.72 : 791,511.84 = 369,425.60 : x
  2. Step 2: Convert to fraction form
    573,302.72/791,511.84 = 369,425.60/x
  3. Step 3: Cross multiply
    573,302.72x = 791,511.84 × 369,425.60
  4. Step 4: Simplify right side
    573,302.72x = 292,404,736,399.10
  5. Step 5: Solve for x
    x = 292,404,736,399.10/573,302.72
  6. Step 6: Final answer
    x = 510,035.49

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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.