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Finding the Fourth Proportional to 875.24, 1,207.41 and 544.06

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Solution

The fourth proportional to 875.24, 1,207.41 and 544.06 is: 750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    875.24 : 1,207.41 = 544.06 : x
  2. Step 2: Convert to fraction form
    875.24/1,207.41 = 544.06/x
  3. Step 3: Cross multiply
    875.24x = 1,207.41 × 544.06
  4. Step 4: Simplify right side
    875.24x = 656,897.45
  5. Step 5: Solve for x
    x = 656,897.45/875.24
  6. Step 6: Final answer
    x = 750.53

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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.