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Finding the Fourth Proportional to 451,000.25, 676,624.92 and 401,426.76

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Solution

The fourth proportional to 451,000.25, 676,624.92 and 401,426.76 is: 602,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,000.25 : 676,624.92 = 401,426.76 : x
  2. Step 2: Convert to fraction form
    451,000.25/676,624.92 = 401,426.76/x
  3. Step 3: Cross multiply
    451,000.25x = 676,624.92 × 401,426.76
  4. Step 4: Simplify right side
    451,000.25x = 271,615,349,628.86
  5. Step 5: Solve for x
    x = 271,615,349,628.86/451,000.25
  6. Step 6: Final answer
    x = 602,250.99

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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.