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Finding the Fourth Proportional to 367,425.60, 551,138.40 and 349,929.60

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Solution

The fourth proportional to 367,425.60, 551,138.40 and 349,929.60 is: 524,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,425.60 : 551,138.40 = 349,929.60 : x
  2. Step 2: Convert to fraction form
    367,425.60/551,138.40 = 349,929.60/x
  3. Step 3: Cross multiply
    367,425.60x = 551,138.40 × 349,929.60
  4. Step 4: Simplify right side
    367,425.60x = 192,859,639,856.64
  5. Step 5: Solve for x
    x = 192,859,639,856.64/367,425.60
  6. Step 6: Final answer
    x = 524,894.40

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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.