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Finding the Fourth Proportional to 367,404.20, 551,106.30 and 272,925.80

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Solution

The fourth proportional to 367,404.20, 551,106.30 and 272,925.80 is: 409,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,404.20 : 551,106.30 = 272,925.80 : x
  2. Step 2: Convert to fraction form
    367,404.20/551,106.30 = 272,925.80/x
  3. Step 3: Cross multiply
    367,404.20x = 551,106.30 × 272,925.80
  4. Step 4: Simplify right side
    367,404.20x = 150,411,127,812.54
  5. Step 5: Solve for x
    x = 150,411,127,812.54/367,404.20
  6. Step 6: Final answer
    x = 409,388.70

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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.