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Finding the Fourth Proportional to 298,984.20, 448,322.40 and 88,594.80

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Solution

The fourth proportional to 298,984.20, 448,322.40 and 88,594.80 is: 132,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,984.20 : 448,322.40 = 88,594.80 : x
  2. Step 2: Convert to fraction form
    298,984.20/448,322.40 = 88,594.80/x
  3. Step 3: Cross multiply
    298,984.20x = 448,322.40 × 88,594.80
  4. Step 4: Simplify right side
    298,984.20x = 39,719,033,363.52
  5. Step 5: Solve for x
    x = 39,719,033,363.52/298,984.20
  6. Step 6: Final answer
    x = 132,846.60

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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.