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Finding the Fourth Proportional to 524,794.60, 787,191.90 and 169,820.20

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Solution

The fourth proportional to 524,794.60, 787,191.90 and 169,820.20 is: 254,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,794.60 : 787,191.90 = 169,820.20 : x
  2. Step 2: Convert to fraction form
    524,794.60/787,191.90 = 169,820.20/x
  3. Step 3: Cross multiply
    524,794.60x = 787,191.90 × 169,820.20
  4. Step 4: Simplify right side
    524,794.60x = 133,681,085,896.38
  5. Step 5: Solve for x
    x = 133,681,085,896.38/524,794.60
  6. Step 6: Final answer
    x = 254,730.30

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Double scale
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Similar ratio
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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.