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Finding the Fourth Proportional to 591,266.28, 887,119.72 and 354,778.68

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Solution

The fourth proportional to 591,266.28, 887,119.72 and 354,778.68 is: 532,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,266.28 : 887,119.72 = 354,778.68 : x
  2. Step 2: Convert to fraction form
    591,266.28/887,119.72 = 354,778.68/x
  3. Step 3: Cross multiply
    591,266.28x = 887,119.72 × 354,778.68
  4. Step 4: Simplify right side
    591,266.28x = 314,731,163,263.57
  5. Step 5: Solve for x
    x = 314,731,163,263.57/591,266.28
  6. Step 6: Final answer
    x = 532,300.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.