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Finding the Fourth Proportional to 367,508.95, 551,333.03 and 127,613.48

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Solution

The fourth proportional to 367,508.95, 551,333.03 and 127,613.48 is: 191,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,508.95 : 551,333.03 = 127,613.48 : x
  2. Step 2: Convert to fraction form
    367,508.95/551,333.03 = 127,613.48/x
  3. Step 3: Cross multiply
    367,508.95x = 551,333.03 × 127,613.48
  4. Step 4: Simplify right side
    367,508.95x = 70,357,523,920.34
  5. Step 5: Solve for x
    x = 70,357,523,920.34/367,508.95
  6. Step 6: Final answer
    x = 191,444.38

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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.