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Finding the Fourth Proportional to 372,295.92, 513,765.92 and 202,530.72

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Solution

The fourth proportional to 372,295.92, 513,765.92 and 202,530.72 is: 279,491.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,295.92 : 513,765.92 = 202,530.72 : x
  2. Step 2: Convert to fraction form
    372,295.92/513,765.92 = 202,530.72/x
  3. Step 3: Cross multiply
    372,295.92x = 513,765.92 × 202,530.72
  4. Step 4: Simplify right side
    372,295.92x = 104,053,381,689.06
  5. Step 5: Solve for x
    x = 104,053,381,689.06/372,295.92
  6. Step 6: Final answer
    x = 279,491.06

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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.