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Finding the Fourth Proportional to 576,009,219.56, 794,894,104.76 and 311,694,048.86

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Solution

The fourth proportional to 576,009,219.56, 794,894,104.76 and 311,694,048.86 is: 430,138,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,009,219.56 : 794,894,104.76 = 311,694,048.86 : x
  2. Step 2: Convert to fraction form
    576,009,219.56/794,894,104.76 = 311,694,048.86/x
  3. Step 3: Cross multiply
    576,009,219.56x = 794,894,104.76 × 311,694,048.86
  4. Step 4: Simplify right side
    576,009,219.56x = 247,763,761,926,030,944
  5. Step 5: Solve for x
    x = 247,763,761,926,030,944/576,009,219.56
  6. Step 6: Final answer
    x = 430,138,535.14

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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.