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Finding the Fourth Proportional to 467,296.83, 644,870.20 and 252,436.90

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Solution

The fourth proportional to 467,296.83, 644,870.20 and 252,436.90 is: 348,363.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,296.83 : 644,870.20 = 252,436.90 : x
  2. Step 2: Convert to fraction form
    467,296.83/644,870.20 = 252,436.90/x
  3. Step 3: Cross multiply
    467,296.83x = 644,870.20 × 252,436.90
  4. Step 4: Simplify right side
    467,296.83x = 162,789,034,190.38
  5. Step 5: Solve for x
    x = 162,789,034,190.38/467,296.83
  6. Step 6: Final answer
    x = 348,363.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.