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Finding the Fourth Proportional to 570,773.12, 787,672.69 and 344,374.88

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Solution

The fourth proportional to 570,773.12, 787,672.69 and 344,374.88 is: 475,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,773.12 : 787,672.69 = 344,374.88 : x
  2. Step 2: Convert to fraction form
    570,773.12/787,672.69 = 344,374.88/x
  3. Step 3: Cross multiply
    570,773.12x = 787,672.69 × 344,374.88
  4. Step 4: Simplify right side
    570,773.12x = 271,254,683,298.73
  5. Step 5: Solve for x
    x = 271,254,683,298.73/570,773.12
  6. Step 6: Final answer
    x = 475,240.82

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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.