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Finding the Fourth Proportional to 367,559.60, 551,339.40 and 157,218.80

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Solution

The fourth proportional to 367,559.60, 551,339.40 and 157,218.80 is: 235,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,559.60 : 551,339.40 = 157,218.80 : x
  2. Step 2: Convert to fraction form
    367,559.60/551,339.40 = 157,218.80/x
  3. Step 3: Cross multiply
    367,559.60x = 551,339.40 × 157,218.80
  4. Step 4: Simplify right side
    367,559.60x = 86,680,918,860.72
  5. Step 5: Solve for x
    x = 86,680,918,860.72/367,559.60
  6. Step 6: Final answer
    x = 235,828.20

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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.