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Finding the Fourth Proportional to 356,099.40, 534,149.10 and 169,475.40

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Solution

The fourth proportional to 356,099.40, 534,149.10 and 169,475.40 is: 254,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,099.40 : 534,149.10 = 169,475.40 : x
  2. Step 2: Convert to fraction form
    356,099.40/534,149.10 = 169,475.40/x
  3. Step 3: Cross multiply
    356,099.40x = 534,149.10 × 169,475.40
  4. Step 4: Simplify right side
    356,099.40x = 90,525,132,382.14
  5. Step 5: Solve for x
    x = 90,525,132,382.14/356,099.40
  6. Step 6: Final answer
    x = 254,213.10

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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.