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Finding the Fourth Proportional to 576,374,003.84, 795,386,630.16 and 312,053,883.68

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Solution

The fourth proportional to 576,374,003.84, 795,386,630.16 and 312,053,883.68 is: 430,629,218.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,374,003.84 : 795,386,630.16 = 312,053,883.68 : x
  2. Step 2: Convert to fraction form
    576,374,003.84/795,386,630.16 = 312,053,883.68/x
  3. Step 3: Cross multiply
    576,374,003.84x = 795,386,630.16 × 312,053,883.68
  4. Step 4: Simplify right side
    576,374,003.84x = 248,203,486,970,564,288
  5. Step 5: Solve for x
    x = 248,203,486,970,564,288/576,374,003.84
  6. Step 6: Final answer
    x = 430,629,218.73

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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.