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Finding the Fourth Proportional to 372,882.08, 514,579.20 and 203,116.16

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Solution

The fourth proportional to 372,882.08, 514,579.20 and 203,116.16 is: 280,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,882.08 : 514,579.20 = 203,116.16 : x
  2. Step 2: Convert to fraction form
    372,882.08/514,579.20 = 203,116.16/x
  3. Step 3: Cross multiply
    372,882.08x = 514,579.20 × 203,116.16
  4. Step 4: Simplify right side
    372,882.08x = 104,519,351,119.87
  5. Step 5: Solve for x
    x = 104,519,351,119.87/372,882.08
  6. Step 6: Final answer
    x = 280,301.35

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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.