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Finding the Fourth Proportional to 361,398.87, 498,277.04 and 232,109.10

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Solution

The fourth proportional to 361,398.87, 498,277.04 and 232,109.10 is: 320,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,398.87 : 498,277.04 = 232,109.10 : x
  2. Step 2: Convert to fraction form
    361,398.87/498,277.04 = 232,109.10/x
  3. Step 3: Cross multiply
    361,398.87x = 498,277.04 × 232,109.10
  4. Step 4: Simplify right side
    361,398.87x = 115,654,634,144.52
  5. Step 5: Solve for x
    x = 115,654,634,144.52/361,398.87
  6. Step 6: Final answer
    x = 320,019.36

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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.