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Finding the Fourth Proportional to 623,655.27, 860,644.35 and 337,175.28

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Solution

The fourth proportional to 623,655.27, 860,644.35 and 337,175.28 is: 465,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,655.27 : 860,644.35 = 337,175.28 : x
  2. Step 2: Convert to fraction form
    623,655.27/860,644.35 = 337,175.28/x
  3. Step 3: Cross multiply
    623,655.27x = 860,644.35 × 337,175.28
  4. Step 4: Simplify right side
    623,655.27x = 290,187,999,691.67
  5. Step 5: Solve for x
    x = 290,187,999,691.67/623,655.27
  6. Step 6: Final answer
    x = 465,301.93

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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.