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Finding the Fourth Proportional to 591,969.60, 887,954.40 and 577,972.80

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Solution

The fourth proportional to 591,969.60, 887,954.40 and 577,972.80 is: 866,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,969.60 : 887,954.40 = 577,972.80 : x
  2. Step 2: Convert to fraction form
    591,969.60/887,954.40 = 577,972.80/x
  3. Step 3: Cross multiply
    591,969.60x = 887,954.40 × 577,972.80
  4. Step 4: Simplify right side
    591,969.60x = 513,213,490,840.32
  5. Step 5: Solve for x
    x = 513,213,490,840.32/591,969.60
  6. Step 6: Final answer
    x = 866,959.20

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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.