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Finding the Fourth Proportional to 598,134.80, 897,575.68 and 398,595.20

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Solution

The fourth proportional to 598,134.80, 897,575.68 and 398,595.20 is: 598,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,134.80 : 897,575.68 = 398,595.20 : x
  2. Step 2: Convert to fraction form
    598,134.80/897,575.68 = 398,595.20/x
  3. Step 3: Cross multiply
    598,134.80x = 897,575.68 × 398,595.20
  4. Step 4: Simplify right side
    598,134.80x = 357,769,357,684.74
  5. Step 5: Solve for x
    x = 357,769,357,684.74/598,134.80
  6. Step 6: Final answer
    x = 598,141.69

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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.