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Finding the Fourth Proportional to 372,568.80, 558,853.20 and 296,461.20

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Solution

The fourth proportional to 372,568.80, 558,853.20 and 296,461.20 is: 444,691.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,568.80 : 558,853.20 = 296,461.20 : x
  2. Step 2: Convert to fraction form
    372,568.80/558,853.20 = 296,461.20/x
  3. Step 3: Cross multiply
    372,568.80x = 558,853.20 × 296,461.20
  4. Step 4: Simplify right side
    372,568.80x = 165,678,290,295.84
  5. Step 5: Solve for x
    x = 165,678,290,295.84/372,568.80
  6. Step 6: Final answer
    x = 444,691.80

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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.