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Finding the Fourth Proportional to 602,807.04, 832,564.13 and 396,995.46

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Solution

The fourth proportional to 602,807.04, 832,564.13 and 396,995.46 is: 548,308.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,807.04 : 832,564.13 = 396,995.46 : x
  2. Step 2: Convert to fraction form
    602,807.04/832,564.13 = 396,995.46/x
  3. Step 3: Cross multiply
    602,807.04x = 832,564.13 × 396,995.46
  4. Step 4: Simplify right side
    602,807.04x = 330,524,177,142.98
  5. Step 5: Solve for x
    x = 330,524,177,142.98/602,807.04
  6. Step 6: Final answer
    x = 548,308.42

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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.