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Finding the Fourth Proportional to 552,686.86, 829,175.16 and 173,592.28

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Solution

The fourth proportional to 552,686.86, 829,175.16 and 173,592.28 is: 260,433.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,686.86 : 829,175.16 = 173,592.28 : x
  2. Step 2: Convert to fraction form
    552,686.86/829,175.16 = 173,592.28/x
  3. Step 3: Cross multiply
    552,686.86x = 829,175.16 × 173,592.28
  4. Step 4: Simplify right side
    552,686.86x = 143,938,402,397.89
  5. Step 5: Solve for x
    x = 143,938,402,397.89/552,686.86
  6. Step 6: Final answer
    x = 260,433.92

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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.