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Finding the Fourth Proportional to 471,344.20, 650,456.40 and 256,484.32

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Solution

The fourth proportional to 471,344.20, 650,456.40 and 256,484.32 is: 353,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,344.20 : 650,456.40 = 256,484.32 : x
  2. Step 2: Convert to fraction form
    471,344.20/650,456.40 = 256,484.32/x
  3. Step 3: Cross multiply
    471,344.20x = 650,456.40 × 256,484.32
  4. Step 4: Simplify right side
    471,344.20x = 166,831,867,443.65
  5. Step 5: Solve for x
    x = 166,831,867,443.65/471,344.20
  6. Step 6: Final answer
    x = 353,949.13

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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.