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Finding the Fourth Proportional to 298,697.34, 448,046.04 and 88,319.04

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Solution

The fourth proportional to 298,697.34, 448,046.04 and 88,319.04 is: 132,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,697.34 : 448,046.04 = 88,319.04 : x
  2. Step 2: Convert to fraction form
    298,697.34/448,046.04 = 88,319.04/x
  3. Step 3: Cross multiply
    298,697.34x = 448,046.04 × 88,319.04
  4. Step 4: Simplify right side
    298,697.34x = 39,570,996,128.60
  5. Step 5: Solve for x
    x = 39,570,996,128.60/298,697.34
  6. Step 6: Final answer
    x = 132,478.57

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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.