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Finding the Fourth Proportional to 367,405.60, 551,108.40 and 157,064.80

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Solution

The fourth proportional to 367,405.60, 551,108.40 and 157,064.80 is: 235,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,405.60 : 551,108.40 = 157,064.80 : x
  2. Step 2: Convert to fraction form
    367,405.60/551,108.40 = 157,064.80/x
  3. Step 3: Cross multiply
    367,405.60x = 551,108.40 × 157,064.80
  4. Step 4: Simplify right side
    367,405.60x = 86,559,730,624.32
  5. Step 5: Solve for x
    x = 86,559,730,624.32/367,405.60
  6. Step 6: Final answer
    x = 235,597.20

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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.