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Finding the Fourth Proportional to 457,468.80, 686,230.08 and 176,987.52

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Solution

The fourth proportional to 457,468.80, 686,230.08 and 176,987.52 is: 265,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,468.80 : 686,230.08 = 176,987.52 : x
  2. Step 2: Convert to fraction form
    457,468.80/686,230.08 = 176,987.52/x
  3. Step 3: Cross multiply
    457,468.80x = 686,230.08 × 176,987.52
  4. Step 4: Simplify right side
    457,468.80x = 121,454,160,008.60
  5. Step 5: Solve for x
    x = 121,454,160,008.60/457,468.80
  6. Step 6: Final answer
    x = 265,491.68

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1.5x scale

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.