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Finding the Fourth Proportional to 471,040.32, 650,029.32 and 256,175.76

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Solution

The fourth proportional to 471,040.32, 650,029.32 and 256,175.76 is: 353,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,040.32 : 650,029.32 = 256,175.76 : x
  2. Step 2: Convert to fraction form
    471,040.32/650,029.32 = 256,175.76/x
  3. Step 3: Cross multiply
    471,040.32x = 650,029.32 × 256,175.76
  4. Step 4: Simplify right side
    471,040.32x = 166,521,755,073.28
  5. Step 5: Solve for x
    x = 166,521,755,073.28/471,040.32
  6. Step 6: Final answer
    x = 353,519.11

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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.