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Finding the Fourth Proportional to 471,616.34, 650,810.13 and 256,757.15

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Solution

The fourth proportional to 471,616.34, 650,810.13 and 256,757.15 is: 354,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,616.34 : 650,810.13 = 256,757.15 : x
  2. Step 2: Convert to fraction form
    471,616.34/650,810.13 = 256,757.15/x
  3. Step 3: Cross multiply
    471,616.34x = 650,810.13 × 256,757.15
  4. Step 4: Simplify right side
    471,616.34x = 167,100,154,834.12
  5. Step 5: Solve for x
    x = 167,100,154,834.12/471,616.34
  6. Step 6: Final answer
    x = 354,313.76

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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.