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Finding the Fourth Proportional to 584,445.70, 876,449.85 and 205,219.90

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Solution

The fourth proportional to 584,445.70, 876,449.85 and 205,219.90 is: 307,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,445.70 : 876,449.85 = 205,219.90 : x
  2. Step 2: Convert to fraction form
    584,445.70/876,449.85 = 205,219.90/x
  3. Step 3: Cross multiply
    584,445.70x = 876,449.85 × 205,219.90
  4. Step 4: Simplify right side
    584,445.70x = 179,864,950,572.02
  5. Step 5: Solve for x
    x = 179,864,950,572.02/584,445.70
  6. Step 6: Final answer
    x = 307,753.06

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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.