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Finding the Fourth Proportional to 372,695.36, 514,320.24 and 202,930.16

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Solution

The fourth proportional to 372,695.36, 514,320.24 and 202,930.16 is: 280,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,695.36 : 514,320.24 = 202,930.16 : x
  2. Step 2: Convert to fraction form
    372,695.36/514,320.24 = 202,930.16/x
  3. Step 3: Cross multiply
    372,695.36x = 514,320.24 × 202,930.16
  4. Step 4: Simplify right side
    372,695.36x = 104,371,088,594.44
  5. Step 5: Solve for x
    x = 104,371,088,594.44/372,695.36
  6. Step 6: Final answer
    x = 280,043.97

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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.