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Finding the Fourth Proportional to 457,473.80, 686,237.58 and 176,992.52

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Solution

The fourth proportional to 457,473.80, 686,237.58 and 176,992.52 is: 265,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,473.80 : 686,237.58 = 176,992.52 : x
  2. Step 2: Convert to fraction form
    457,473.80/686,237.58 = 176,992.52/x
  3. Step 3: Cross multiply
    457,473.80x = 686,237.58 × 176,992.52
  4. Step 4: Simplify right side
    457,473.80x = 121,458,918,602.90
  5. Step 5: Solve for x
    x = 121,458,918,602.90/457,473.80
  6. Step 6: Final answer
    x = 265,499.18

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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.