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Finding the Fourth Proportional to 473,682.72, 653,681.84 and 269,723.04

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Solution

The fourth proportional to 473,682.72, 653,681.84 and 269,723.04 is: 372,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,682.72 : 653,681.84 = 269,723.04 : x
  2. Step 2: Convert to fraction form
    473,682.72/653,681.84 = 269,723.04/x
  3. Step 3: Cross multiply
    473,682.72x = 653,681.84 × 269,723.04
  4. Step 4: Simplify right side
    473,682.72x = 176,313,053,077.59
  5. Step 5: Solve for x
    x = 176,313,053,077.59/473,682.72
  6. Step 6: Final answer
    x = 372,217.62

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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.