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Finding the Fourth Proportional to 591,374.80, 887,062.20 and 366,988.60

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Solution

The fourth proportional to 591,374.80, 887,062.20 and 366,988.60 is: 550,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,374.80 : 887,062.20 = 366,988.60 : x
  2. Step 2: Convert to fraction form
    591,374.80/887,062.20 = 366,988.60/x
  3. Step 3: Cross multiply
    591,374.80x = 887,062.20 × 366,988.60
  4. Step 4: Simplify right side
    591,374.80x = 325,541,714,890.92
  5. Step 5: Solve for x
    x = 325,541,714,890.92/591,374.80
  6. Step 6: Final answer
    x = 550,482.90

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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.