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Finding the Fourth Proportional to 417,034.52, 625,455.84 and 248,602.40

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Solution

The fourth proportional to 417,034.52, 625,455.84 and 248,602.40 is: 372,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,034.52 : 625,455.84 = 248,602.40 : x
  2. Step 2: Convert to fraction form
    417,034.52/625,455.84 = 248,602.40/x
  3. Step 3: Cross multiply
    417,034.52x = 625,455.84 × 248,602.40
  4. Step 4: Simplify right side
    417,034.52x = 155,489,822,918.02
  5. Step 5: Solve for x
    x = 155,489,822,918.02/417,034.52
  6. Step 6: Final answer
    x = 372,846.41

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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.