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Finding the Fourth Proportional to 298,465.20, 447,697.80 and 101,473.20

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Solution

The fourth proportional to 298,465.20, 447,697.80 and 101,473.20 is: 152,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,465.20 : 447,697.80 = 101,473.20 : x
  2. Step 2: Convert to fraction form
    298,465.20/447,697.80 = 101,473.20/x
  3. Step 3: Cross multiply
    298,465.20x = 447,697.80 × 101,473.20
  4. Step 4: Simplify right side
    298,465.20x = 45,429,328,398.96
  5. Step 5: Solve for x
    x = 45,429,328,398.96/298,465.20
  6. Step 6: Final answer
    x = 152,209.80

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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.