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Finding the Fourth Proportional to 367,637.60, 551,456.40 and 157,296.80

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Solution

The fourth proportional to 367,637.60, 551,456.40 and 157,296.80 is: 235,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,637.60 : 551,456.40 = 157,296.80 : x
  2. Step 2: Convert to fraction form
    367,637.60/551,456.40 = 157,296.80/x
  3. Step 3: Cross multiply
    367,637.60x = 551,456.40 × 157,296.80
  4. Step 4: Simplify right side
    367,637.60x = 86,742,327,059.52
  5. Step 5: Solve for x
    x = 86,742,327,059.52/367,637.60
  6. Step 6: Final answer
    x = 235,945.20

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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.