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Finding the Fourth Proportional to 579,499.92, 869,117.04 and 158,808.60

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Solution

The fourth proportional to 579,499.92, 869,117.04 and 158,808.60 is: 238,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,499.92 : 869,117.04 = 158,808.60 : x
  2. Step 2: Convert to fraction form
    579,499.92/869,117.04 = 158,808.60/x
  3. Step 3: Cross multiply
    579,499.92x = 869,117.04 × 158,808.60
  4. Step 4: Simplify right side
    579,499.92x = 138,023,260,358.54
  5. Step 5: Solve for x
    x = 138,023,260,358.54/579,499.92
  6. Step 6: Final answer
    x = 238,176.50

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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.