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Finding the Fourth Proportional to 460,901.88, 636,047.24 and 256,965.75

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Solution

The fourth proportional to 460,901.88, 636,047.24 and 256,965.75 is: 354,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,901.88 : 636,047.24 = 256,965.75 : x
  2. Step 2: Convert to fraction form
    460,901.88/636,047.24 = 256,965.75/x
  3. Step 3: Cross multiply
    460,901.88x = 636,047.24 × 256,965.75
  4. Step 4: Simplify right side
    460,901.88x = 163,442,354,777.20
  5. Step 5: Solve for x
    x = 163,442,354,777.20/460,901.88
  6. Step 6: Final answer
    x = 354,614.21

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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.