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Finding the Fourth Proportional to 471,330.91, 650,426.02 and 256,471.57

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Solution

The fourth proportional to 471,330.91, 650,426.02 and 256,471.57 is: 353,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,330.91 : 650,426.02 = 256,471.57 : x
  2. Step 2: Convert to fraction form
    471,330.91/650,426.02 = 256,471.57/x
  3. Step 3: Cross multiply
    471,330.91x = 650,426.02 × 256,471.57
  4. Step 4: Simplify right side
    471,330.91x = 166,815,782,518.25
  5. Step 5: Solve for x
    x = 166,815,782,518.25/471,330.91
  6. Step 6: Final answer
    x = 353,924.98

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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.