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Finding the Fourth Proportional to 331,722.54, 497,229.12 and 189,260.91

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Solution

The fourth proportional to 331,722.54, 497,229.12 and 189,260.91 is: 283,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,722.54 : 497,229.12 = 189,260.91 : x
  2. Step 2: Convert to fraction form
    331,722.54/497,229.12 = 189,260.91/x
  3. Step 3: Cross multiply
    331,722.54x = 497,229.12 × 189,260.91
  4. Step 4: Simplify right side
    331,722.54x = 94,106,035,729.70
  5. Step 5: Solve for x
    x = 94,106,035,729.70/331,722.54
  6. Step 6: Final answer
    x = 283,689.00

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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.