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Finding the Fourth Proportional to 298,757.04, 447,788.88 and 121,043.04

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Solution

The fourth proportional to 298,757.04, 447,788.88 and 121,043.04 is: 181,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,757.04 : 447,788.88 = 121,043.04 : x
  2. Step 2: Convert to fraction form
    298,757.04/447,788.88 = 121,043.04/x
  3. Step 3: Cross multiply
    298,757.04x = 447,788.88 × 121,043.04
  4. Step 4: Simplify right side
    298,757.04x = 54,201,727,313.40
  5. Step 5: Solve for x
    x = 54,201,727,313.40/298,757.04
  6. Step 6: Final answer
    x = 181,424.10

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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.