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Finding the Fourth Proportional to 288,002.52, 432,308.21 and 161,750.66

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Solution

The fourth proportional to 288,002.52, 432,308.21 and 161,750.66 is: 242,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,002.52 : 432,308.21 = 161,750.66 : x
  2. Step 2: Convert to fraction form
    288,002.52/432,308.21 = 161,750.66/x
  3. Step 3: Cross multiply
    288,002.52x = 432,308.21 × 161,750.66
  4. Step 4: Simplify right side
    288,002.52x = 69,926,135,320.62
  5. Step 5: Solve for x
    x = 69,926,135,320.62/288,002.52
  6. Step 6: Final answer
    x = 242,796.96

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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.