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Finding the Fourth Proportional to 484,569.52, 727,003.16 and 248,078.20

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Solution

The fourth proportional to 484,569.52, 727,003.16 and 248,078.20 is: 372,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,569.52 : 727,003.16 = 248,078.20 : x
  2. Step 2: Convert to fraction form
    484,569.52/727,003.16 = 248,078.20/x
  3. Step 3: Cross multiply
    484,569.52x = 727,003.16 × 248,078.20
  4. Step 4: Simplify right side
    484,569.52x = 180,353,635,327.11
  5. Step 5: Solve for x
    x = 180,353,635,327.11/484,569.52
  6. Step 6: Final answer
    x = 372,193.52

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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.