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Finding the Fourth Proportional to 467,904.30, 701,856.45 and 418,040.70

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Solution

The fourth proportional to 467,904.30, 701,856.45 and 418,040.70 is: 627,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,904.30 : 701,856.45 = 418,040.70 : x
  2. Step 2: Convert to fraction form
    467,904.30/701,856.45 = 418,040.70/x
  3. Step 3: Cross multiply
    467,904.30x = 701,856.45 × 418,040.70
  4. Step 4: Simplify right side
    467,904.30x = 293,404,561,657.52
  5. Step 5: Solve for x
    x = 293,404,561,657.52/467,904.30
  6. Step 6: Final answer
    x = 627,061.05

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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.