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Finding the Fourth Proportional to 398,500.01, 597,396.10 and 155,284.77

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Solution

The fourth proportional to 398,500.01, 597,396.10 and 155,284.77 is: 232,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,500.01 : 597,396.10 = 155,284.77 : x
  2. Step 2: Convert to fraction form
    398,500.01/597,396.10 = 155,284.77/x
  3. Step 3: Cross multiply
    398,500.01x = 597,396.10 × 155,284.77
  4. Step 4: Simplify right side
    398,500.01x = 92,766,517,214.69
  5. Step 5: Solve for x
    x = 92,766,517,214.69/398,500.01
  6. Step 6: Final answer
    x = 232,789.25

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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.