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Finding the Fourth Proportional to 577,352.01, 865,925.96 and 156,660.69

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Solution

The fourth proportional to 577,352.01, 865,925.96 and 156,660.69 is: 234,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,352.01 : 865,925.96 = 156,660.69 : x
  2. Step 2: Convert to fraction form
    577,352.01/865,925.96 = 156,660.69/x
  3. Step 3: Cross multiply
    577,352.01x = 865,925.96 × 156,660.69
  4. Step 4: Simplify right side
    577,352.01x = 135,656,557,599.21
  5. Step 5: Solve for x
    x = 135,656,557,599.21/577,352.01
  6. Step 6: Final answer
    x = 234,963.34

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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.