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Finding the Fourth Proportional to 576,069,694.76, 794,978,682.06 and 311,751,709.96

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Solution

The fourth proportional to 576,069,694.76, 794,978,682.06 and 311,751,709.96 is: 430,218,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,069,694.76 : 794,978,682.06 = 311,751,709.96 : x
  2. Step 2: Convert to fraction form
    576,069,694.76/794,978,682.06 = 311,751,709.96/x
  3. Step 3: Cross multiply
    576,069,694.76x = 794,978,682.06 × 311,751,709.96
  4. Step 4: Simplify right side
    576,069,694.76x = 247,835,963,513,952,128
  5. Step 5: Solve for x
    x = 247,835,963,513,952,128/576,069,694.76
  6. Step 6: Final answer
    x = 430,218,714.45

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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.