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Finding the Fourth Proportional to 322,192.32, 483,355.20 and 97,565.12

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Solution

The fourth proportional to 322,192.32, 483,355.20 and 97,565.12 is: 146,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,192.32 : 483,355.20 = 97,565.12 : x
  2. Step 2: Convert to fraction form
    322,192.32/483,355.20 = 97,565.12/x
  3. Step 3: Cross multiply
    322,192.32x = 483,355.20 × 97,565.12
  4. Step 4: Simplify right side
    322,192.32x = 47,158,608,090.62
  5. Step 5: Solve for x
    x = 47,158,608,090.62/322,192.32
  6. Step 6: Final answer
    x = 146,367.88

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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.