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Finding the Fourth Proportional to 416,031.66, 574,165.56 and 254,993.76

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Solution

The fourth proportional to 416,031.66, 574,165.56 and 254,993.76 is: 351,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,031.66 : 574,165.56 = 254,993.76 : x
  2. Step 2: Convert to fraction form
    416,031.66/574,165.56 = 254,993.76/x
  3. Step 3: Cross multiply
    416,031.66x = 574,165.56 × 254,993.76
  4. Step 4: Simplify right side
    416,031.66x = 146,408,635,006.91
  5. Step 5: Solve for x
    x = 146,408,635,006.91/416,031.66
  6. Step 6: Final answer
    x = 351,917.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.