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Finding the Fourth Proportional to 372,280.76, 513,747.04 and 202,514.48

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Solution

The fourth proportional to 372,280.76, 513,747.04 and 202,514.48 is: 279,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,280.76 : 513,747.04 = 202,514.48 : x
  2. Step 2: Convert to fraction form
    372,280.76/513,747.04 = 202,514.48/x
  3. Step 3: Cross multiply
    372,280.76x = 513,747.04 × 202,514.48
  4. Step 4: Simplify right side
    372,280.76x = 104,041,214,657.14
  5. Step 5: Solve for x
    x = 104,041,214,657.14/372,280.76
  6. Step 6: Final answer
    x = 279,469.76

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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.