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Finding the Fourth Proportional to 372,359.53, 513,856.15 and 202,594.87

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Solution

The fourth proportional to 372,359.53, 513,856.15 and 202,594.87 is: 279,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,359.53 : 513,856.15 = 202,594.87 : x
  2. Step 2: Convert to fraction form
    372,359.53/513,856.15 = 202,594.87/x
  3. Step 3: Cross multiply
    372,359.53x = 513,856.15 × 202,594.87
  4. Step 4: Simplify right side
    372,359.53x = 104,104,621,183.38
  5. Step 5: Solve for x
    x = 104,104,621,183.38/372,359.53
  6. Step 6: Final answer
    x = 279,580.92

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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.