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Finding the Fourth Proportional to 324,990,649.89, 448,487,966.12 and 176,311,770.97

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Solution

The fourth proportional to 324,990,649.89, 448,487,966.12 and 176,311,770.97 is: 243,310,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,990,649.89 : 448,487,966.12 = 176,311,770.97 : x
  2. Step 2: Convert to fraction form
    324,990,649.89/448,487,966.12 = 176,311,770.97/x
  3. Step 3: Cross multiply
    324,990,649.89x = 448,487,966.12 × 176,311,770.97
  4. Step 4: Simplify right side
    324,990,649.89x = 79,073,707,565,791,344
  5. Step 5: Solve for x
    x = 79,073,707,565,791,344/324,990,649.89
  6. Step 6: Final answer
    x = 243,310,715.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.