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Finding the Fourth Proportional to 471,555.20, 650,746.26 and 256,696.90

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Solution

The fourth proportional to 471,555.20, 650,746.26 and 256,696.90 is: 354,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,555.20 : 650,746.26 = 256,696.90 : x
  2. Step 2: Convert to fraction form
    471,555.20/650,746.26 = 256,696.90/x
  3. Step 3: Cross multiply
    471,555.20x = 650,746.26 × 256,696.90
  4. Step 4: Simplify right side
    471,555.20x = 167,044,546,001.73
  5. Step 5: Solve for x
    x = 167,044,546,001.73/471,555.20
  6. Step 6: Final answer
    x = 354,241.76

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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.