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Finding the Fourth Proportional to 322,470.60, 483,705.90 and 163,038.30

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Solution

The fourth proportional to 322,470.60, 483,705.90 and 163,038.30 is: 244,557.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,470.60 : 483,705.90 = 163,038.30 : x
  2. Step 2: Convert to fraction form
    322,470.60/483,705.90 = 163,038.30/x
  3. Step 3: Cross multiply
    322,470.60x = 483,705.90 × 163,038.30
  4. Step 4: Simplify right side
    322,470.60x = 78,862,587,635.97
  5. Step 5: Solve for x
    x = 78,862,587,635.97/322,470.60
  6. Step 6: Final answer
    x = 244,557.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.