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Finding the Fourth Proportional to 563,324.40, 845,114.60 and 189,385.20

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Solution

The fourth proportional to 563,324.40, 845,114.60 and 189,385.20 is: 284,120.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,324.40 : 845,114.60 = 189,385.20 : x
  2. Step 2: Convert to fraction form
    563,324.40/845,114.60 = 189,385.20/x
  3. Step 3: Cross multiply
    563,324.40x = 845,114.60 × 189,385.20
  4. Step 4: Simplify right side
    563,324.40x = 160,052,197,543.92
  5. Step 5: Solve for x
    x = 160,052,197,543.92/563,324.40
  6. Step 6: Final answer
    x = 284,120.83

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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.