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Finding the Fourth Proportional to 417,084.48, 625,530.88 and 248,652.48

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Solution

The fourth proportional to 417,084.48, 625,530.88 and 248,652.48 is: 372,921.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,084.48 : 625,530.88 = 248,652.48 : x
  2. Step 2: Convert to fraction form
    417,084.48/625,530.88 = 248,652.48/x
  3. Step 3: Cross multiply
    417,084.48x = 625,530.88 × 248,652.48
  4. Step 4: Simplify right side
    417,084.48x = 155,539,804,628.58
  5. Step 5: Solve for x
    x = 155,539,804,628.58/417,084.48
  6. Step 6: Final answer
    x = 372,921.58

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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.