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Finding the Fourth Proportional to 372,476.16, 514,001.16 and 202,709.88

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Solution

The fourth proportional to 372,476.16, 514,001.16 and 202,709.88 is: 279,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,476.16 : 514,001.16 = 202,709.88 : x
  2. Step 2: Convert to fraction form
    372,476.16/514,001.16 = 202,709.88/x
  3. Step 3: Cross multiply
    372,476.16x = 514,001.16 × 202,709.88
  4. Step 4: Simplify right side
    372,476.16x = 104,193,113,463.46
  5. Step 5: Solve for x
    x = 104,193,113,463.46/372,476.16
  6. Step 6: Final answer
    x = 279,730.96

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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.