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Finding the Fourth Proportional to 529,306.90, 793,959.12 and 229,748.64

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Solution

The fourth proportional to 529,306.90, 793,959.12 and 229,748.64 is: 344,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,306.90 : 793,959.12 = 229,748.64 : x
  2. Step 2: Convert to fraction form
    529,306.90/793,959.12 = 229,748.64/x
  3. Step 3: Cross multiply
    529,306.90x = 793,959.12 × 229,748.64
  4. Step 4: Simplify right side
    529,306.90x = 182,411,028,035.60
  5. Step 5: Solve for x
    x = 182,411,028,035.60/529,306.90
  6. Step 6: Final answer
    x = 344,622.43

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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.