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Finding the Fourth Proportional to 460,422.88, 635,382.43 and 256,471.67

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Solution

The fourth proportional to 460,422.88, 635,382.43 and 256,471.67 is: 353,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,422.88 : 635,382.43 = 256,471.67 : x
  2. Step 2: Convert to fraction form
    460,422.88/635,382.43 = 256,471.67/x
  3. Step 3: Cross multiply
    460,422.88x = 635,382.43 × 256,471.67
  4. Step 4: Simplify right side
    460,422.88x = 162,957,590,284.01
  5. Step 5: Solve for x
    x = 162,957,590,284.01/460,422.88
  6. Step 6: Final answer
    x = 353,930.26

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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.