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Finding the Fourth Proportional to 373,062.20, 514,826.40 and 203,296.28

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Solution

The fourth proportional to 373,062.20, 514,826.40 and 203,296.28 is: 280,549.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,062.20 : 514,826.40 = 203,296.28 : x
  2. Step 2: Convert to fraction form
    373,062.20/514,826.40 = 203,296.28/x
  3. Step 3: Cross multiply
    373,062.20x = 514,826.40 × 203,296.28
  4. Step 4: Simplify right side
    373,062.20x = 104,662,291,965.79
  5. Step 5: Solve for x
    x = 104,662,291,965.79/373,062.20
  6. Step 6: Final answer
    x = 280,549.17

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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.