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Finding the Fourth Proportional to 950,572.72, 1,425,384.64 and 310,793.12

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Solution

The fourth proportional to 950,572.72, 1,425,384.64 and 310,793.12 is: 466,034.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,572.72 : 1,425,384.64 = 310,793.12 : x
  2. Step 2: Convert to fraction form
    950,572.72/1,425,384.64 = 310,793.12/x
  3. Step 3: Cross multiply
    950,572.72x = 1,425,384.64 × 310,793.12
  4. Step 4: Simplify right side
    950,572.72x = 442,999,739,465.68
  5. Step 5: Solve for x
    x = 442,999,739,465.68/950,572.72
  6. Step 6: Final answer
    x = 466,034.56

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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.