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Finding the Fourth Proportional to 542,744.58, 748,867.59 and 313,253.10

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Solution

The fourth proportional to 542,744.58, 748,867.59 and 313,253.10 is: 432,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,744.58 : 748,867.59 = 313,253.10 : x
  2. Step 2: Convert to fraction form
    542,744.58/748,867.59 = 313,253.10/x
  3. Step 3: Cross multiply
    542,744.58x = 748,867.59 × 313,253.10
  4. Step 4: Simplify right side
    542,744.58x = 234,585,094,057.03
  5. Step 5: Solve for x
    x = 234,585,094,057.03/542,744.58
  6. Step 6: Final answer
    x = 432,220.06

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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.