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Finding the Fourth Proportional to 524,810.20, 787,215.30 and 169,850.20

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Solution

The fourth proportional to 524,810.20, 787,215.30 and 169,850.20 is: 254,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,810.20 : 787,215.30 = 169,850.20 : x
  2. Step 2: Convert to fraction form
    524,810.20/787,215.30 = 169,850.20/x
  3. Step 3: Cross multiply
    524,810.20x = 787,215.30 × 169,850.20
  4. Step 4: Simplify right side
    524,810.20x = 133,708,676,148.06
  5. Step 5: Solve for x
    x = 133,708,676,148.06/524,810.20
  6. Step 6: Final answer
    x = 254,775.30

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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.