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Finding the Fourth Proportional to 288,593.60, 398,001.30 and 181,173.62

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Solution

The fourth proportional to 288,593.60, 398,001.30 and 181,173.62 is: 249,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,593.60 : 398,001.30 = 181,173.62 : x
  2. Step 2: Convert to fraction form
    288,593.60/398,001.30 = 181,173.62/x
  3. Step 3: Cross multiply
    288,593.60x = 398,001.30 × 181,173.62
  4. Step 4: Simplify right side
    288,593.60x = 72,107,336,285.71
  5. Step 5: Solve for x
    x = 72,107,336,285.71/288,593.60
  6. Step 6: Final answer
    x = 249,857.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.