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Finding the Fourth Proportional to 372,800.40, 514,108.44 and 250,568.88

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Solution

The fourth proportional to 372,800.40, 514,108.44 and 250,568.88 is: 345,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,800.40 : 514,108.44 = 250,568.88 : x
  2. Step 2: Convert to fraction form
    372,800.40/514,108.44 = 250,568.88/x
  3. Step 3: Cross multiply
    372,800.40x = 514,108.44 × 250,568.88
  4. Step 4: Simplify right side
    372,800.40x = 128,819,576,009.35
  5. Step 5: Solve for x
    x = 128,819,576,009.35/372,800.40
  6. Step 6: Final answer
    x = 345,545.70

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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.