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Finding the Fourth Proportional to 563,766.40, 845,649.60 and 169,731.20

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Solution

The fourth proportional to 563,766.40, 845,649.60 and 169,731.20 is: 254,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,766.40 : 845,649.60 = 169,731.20 : x
  2. Step 2: Convert to fraction form
    563,766.40/845,649.60 = 169,731.20/x
  3. Step 3: Cross multiply
    563,766.40x = 845,649.60 × 169,731.20
  4. Step 4: Simplify right side
    563,766.40x = 143,533,121,387.52
  5. Step 5: Solve for x
    x = 143,533,121,387.52/563,766.40
  6. Step 6: Final answer
    x = 254,596.80

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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.