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Finding the Fourth Proportional to 372,617.10, 514,211.46 and 202,851.18

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Solution

The fourth proportional to 372,617.10, 514,211.46 and 202,851.18 is: 279,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,617.10 : 514,211.46 = 202,851.18 : x
  2. Step 2: Convert to fraction form
    372,617.10/514,211.46 = 202,851.18/x
  3. Step 3: Cross multiply
    372,617.10x = 514,211.46 × 202,851.18
  4. Step 4: Simplify right side
    372,617.10x = 104,308,401,430.52
  5. Step 5: Solve for x
    x = 104,308,401,430.52/372,617.10
  6. Step 6: Final answer
    x = 279,934.55

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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.