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Finding the Fourth Proportional to 417,127.78, 625,740.27 and 151,013.62

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Solution

The fourth proportional to 417,127.78, 625,740.27 and 151,013.62 is: 226,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,127.78 : 625,740.27 = 151,013.62 : x
  2. Step 2: Convert to fraction form
    417,127.78/625,740.27 = 151,013.62/x
  3. Step 3: Cross multiply
    417,127.78x = 625,740.27 × 151,013.62
  4. Step 4: Simplify right side
    417,127.78x = 94,495,303,352.48
  5. Step 5: Solve for x
    x = 94,495,303,352.48/417,127.78
  6. Step 6: Final answer
    x = 226,538.02

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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.