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Finding the Fourth Proportional to 591,259.76, 887,110 and 354,772.16

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Solution

The fourth proportional to 591,259.76, 887,110 and 354,772.16 is: 532,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,259.76 : 887,110 = 354,772.16 : x
  2. Step 2: Convert to fraction form
    591,259.76/887,110 = 354,772.16/x
  3. Step 3: Cross multiply
    591,259.76x = 887,110 × 354,772.16
  4. Step 4: Simplify right side
    591,259.76x = 314,721,930,857.60
  5. Step 5: Solve for x
    x = 314,721,930,857.60/591,259.76
  6. Step 6: Final answer
    x = 532,290.46

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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.