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Finding the Fourth Proportional to 372,351.68, 513,858.12 and 202,592.24

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Solution

The fourth proportional to 372,351.68, 513,858.12 and 202,592.24 is: 279,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,351.68 : 513,858.12 = 202,592.24 : x
  2. Step 2: Convert to fraction form
    372,351.68/513,858.12 = 202,592.24/x
  3. Step 3: Cross multiply
    372,351.68x = 513,858.12 × 202,592.24
  4. Step 4: Simplify right side
    372,351.68x = 104,103,667,572.99
  5. Step 5: Solve for x
    x = 104,103,667,572.99/372,351.68
  6. Step 6: Final answer
    x = 279,584.26

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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.