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Finding the Fourth Proportional to 460,403.58, 635,355.14 and 256,456.92

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Solution

The fourth proportional to 460,403.58, 635,355.14 and 256,456.92 is: 353,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,403.58 : 635,355.14 = 256,456.92 : x
  2. Step 2: Convert to fraction form
    460,403.58/635,355.14 = 256,456.92/x
  3. Step 3: Cross multiply
    460,403.58x = 635,355.14 × 256,456.92
  4. Step 4: Simplify right side
    460,403.58x = 162,941,222,310.57
  5. Step 5: Solve for x
    x = 162,941,222,310.57/460,403.58
  6. Step 6: Final answer
    x = 353,909.55

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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.