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Finding the Fourth Proportional to 462,951.22, 638,867.98 and 256,220.02

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Solution

The fourth proportional to 462,951.22, 638,867.98 and 256,220.02 is: 353,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,951.22 : 638,867.98 = 256,220.02 : x
  2. Step 2: Convert to fraction form
    462,951.22/638,867.98 = 256,220.02/x
  3. Step 3: Cross multiply
    462,951.22x = 638,867.98 × 256,220.02
  4. Step 4: Simplify right side
    462,951.22x = 163,690,766,612.96
  5. Step 5: Solve for x
    x = 163,690,766,612.96/462,951.22
  6. Step 6: Final answer
    x = 353,581.02

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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.