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Finding the Fourth Proportional to 530,959.86, 732,724.29 and 292,495.86

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Solution

The fourth proportional to 530,959.86, 732,724.29 and 292,495.86 is: 403,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,959.86 : 732,724.29 = 292,495.86 : x
  2. Step 2: Convert to fraction form
    530,959.86/732,724.29 = 292,495.86/x
  3. Step 3: Cross multiply
    530,959.86x = 732,724.29 × 292,495.86
  4. Step 4: Simplify right side
    530,959.86x = 214,318,821,346.44
  5. Step 5: Solve for x
    x = 214,318,821,346.44/530,959.86
  6. Step 6: Final answer
    x = 403,644.11

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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.