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Finding the Fourth Proportional to 572,951.60, 790,693.84 and 331,310

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Solution

The fourth proportional to 572,951.60, 790,693.84 and 331,310 is: 457,219.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,951.60 : 790,693.84 = 331,310 : x
  2. Step 2: Convert to fraction form
    572,951.60/790,693.84 = 331,310/x
  3. Step 3: Cross multiply
    572,951.60x = 790,693.84 × 331,310
  4. Step 4: Simplify right side
    572,951.60x = 261,964,776,130.40
  5. Step 5: Solve for x
    x = 261,964,776,130.40/572,951.60
  6. Step 6: Final answer
    x = 457,219.73

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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.