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Finding the Fourth Proportional to 372,627.44, 514,231.44 and 202,864.40

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Solution

The fourth proportional to 372,627.44, 514,231.44 and 202,864.40 is: 279,955.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,627.44 : 514,231.44 = 202,864.40 : x
  2. Step 2: Convert to fraction form
    372,627.44/514,231.44 = 202,864.40/x
  3. Step 3: Cross multiply
    372,627.44x = 514,231.44 × 202,864.40
  4. Step 4: Simplify right side
    372,627.44x = 104,319,252,536.74
  5. Step 5: Solve for x
    x = 104,319,252,536.74/372,627.44
  6. Step 6: Final answer
    x = 279,955.91

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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.