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Finding the Fourth Proportional to 443,297,054.88, 611,750,765.76 and 247,726,766.88

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Solution

The fourth proportional to 443,297,054.88, 611,750,765.76 and 247,726,766.88 is: 341,863,402.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,297,054.88 : 611,750,765.76 = 247,726,766.88 : x
  2. Step 2: Convert to fraction form
    443,297,054.88/611,750,765.76 = 247,726,766.88/x
  3. Step 3: Cross multiply
    443,297,054.88x = 611,750,765.76 × 247,726,766.88
  4. Step 4: Simplify right side
    443,297,054.88x = 151,547,039,338,088,992
  5. Step 5: Solve for x
    x = 151,547,039,338,088,992/443,297,054.88
  6. Step 6: Final answer
    x = 341,863,402.14

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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.