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Finding the Fourth Proportional to 372,609.10, 514,200.42 and 202,843.18

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Solution

The fourth proportional to 372,609.10, 514,200.42 and 202,843.18 is: 279,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,609.10 : 514,200.42 = 202,843.18 : x
  2. Step 2: Convert to fraction form
    372,609.10/514,200.42 = 202,843.18/x
  3. Step 3: Cross multiply
    372,609.10x = 514,200.42 × 202,843.18
  4. Step 4: Simplify right side
    372,609.10x = 104,302,048,350.14
  5. Step 5: Solve for x
    x = 104,302,048,350.14/372,609.10
  6. Step 6: Final answer
    x = 279,923.51

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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.