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Finding the Fourth Proportional to 471,416.12, 650,541.76 and 256,551.56

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Solution

The fourth proportional to 471,416.12, 650,541.76 and 256,551.56 is: 354,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,416.12 : 650,541.76 = 256,551.56 : x
  2. Step 2: Convert to fraction form
    471,416.12/650,541.76 = 256,551.56/x
  3. Step 3: Cross multiply
    471,416.12x = 650,541.76 × 256,551.56
  4. Step 4: Simplify right side
    471,416.12x = 166,897,499,479.06
  5. Step 5: Solve for x
    x = 166,897,499,479.06/471,416.12
  6. Step 6: Final answer
    x = 354,034.35

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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.