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Finding the Fourth Proportional to 410,374.53, 615,531.06 and 144,137.39

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Solution

The fourth proportional to 410,374.53, 615,531.06 and 144,137.39 is: 216,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,374.53 : 615,531.06 = 144,137.39 : x
  2. Step 2: Convert to fraction form
    410,374.53/615,531.06 = 144,137.39/x
  3. Step 3: Cross multiply
    410,374.53x = 615,531.06 × 144,137.39
  4. Step 4: Simplify right side
    410,374.53x = 88,721,037,374.68
  5. Step 5: Solve for x
    x = 88,721,037,374.68/410,374.53
  6. Step 6: Final answer
    x = 216,195.28

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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.