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Finding the Fourth Proportional to 531,473.04, 797,540.18 and 215,929.95

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Solution

The fourth proportional to 531,473.04, 797,540.18 and 215,929.95 is: 324,029.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,473.04 : 797,540.18 = 215,929.95 : x
  2. Step 2: Convert to fraction form
    531,473.04/797,540.18 = 215,929.95/x
  3. Step 3: Cross multiply
    531,473.04x = 797,540.18 × 215,929.95
  4. Step 4: Simplify right side
    531,473.04x = 172,212,810,110.74
  5. Step 5: Solve for x
    x = 172,212,810,110.74/531,473.04
  6. Step 6: Final answer
    x = 324,029.25

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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.