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Finding the Fourth Proportional to 545,126.77, 752,073.17 and 544,286.03

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Solution

The fourth proportional to 545,126.77, 752,073.17 and 544,286.03 is: 750,913.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,126.77 : 752,073.17 = 544,286.03 : x
  2. Step 2: Convert to fraction form
    545,126.77/752,073.17 = 544,286.03/x
  3. Step 3: Cross multiply
    545,126.77x = 752,073.17 × 544,286.03
  4. Step 4: Simplify right side
    545,126.77x = 409,342,918,482.83
  5. Step 5: Solve for x
    x = 409,342,918,482.83/545,126.77
  6. Step 6: Final answer
    x = 750,913.25

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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.