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Finding the Fourth Proportional to 489,221.60, 733,832.40 and 441,982.40

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Solution

The fourth proportional to 489,221.60, 733,832.40 and 441,982.40 is: 662,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,221.60 : 733,832.40 = 441,982.40 : x
  2. Step 2: Convert to fraction form
    489,221.60/733,832.40 = 441,982.40/x
  3. Step 3: Cross multiply
    489,221.60x = 733,832.40 × 441,982.40
  4. Step 4: Simplify right side
    489,221.60x = 324,341,005,349.76
  5. Step 5: Solve for x
    x = 324,341,005,349.76/489,221.60
  6. Step 6: Final answer
    x = 662,973.60

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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.