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Finding the Fourth Proportional to 555,964.48, 833,818.74 and 331,388.20

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Solution

The fourth proportional to 555,964.48, 833,818.74 and 331,388.20 is: 497,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,964.48 : 833,818.74 = 331,388.20 : x
  2. Step 2: Convert to fraction form
    555,964.48/833,818.74 = 331,388.20/x
  3. Step 3: Cross multiply
    555,964.48x = 833,818.74 × 331,388.20
  4. Step 4: Simplify right side
    555,964.48x = 276,317,691,374.87
  5. Step 5: Solve for x
    x = 276,317,691,374.87/555,964.48
  6. Step 6: Final answer
    x = 497,006.02

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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.