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Finding the Fourth Proportional to 417,875.95, 627,062.93 and 151,657.21

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Solution

The fourth proportional to 417,875.95, 627,062.93 and 151,657.21 is: 227,576.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,875.95 : 627,062.93 = 151,657.21 : x
  2. Step 2: Convert to fraction form
    417,875.95/627,062.93 = 151,657.21/x
  3. Step 3: Cross multiply
    417,875.95x = 627,062.93 × 151,657.21
  4. Step 4: Simplify right side
    417,875.95x = 95,098,614,458.23
  5. Step 5: Solve for x
    x = 95,098,614,458.23/417,875.95
  6. Step 6: Final answer
    x = 227,576.18

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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.