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Finding the Fourth Proportional to 532,402,469.84, 734,589,445.56 and 309,251,576

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Solution

The fourth proportional to 532,402,469.84, 734,589,445.56 and 309,251,576 is: 426,694,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,402,469.84 : 734,589,445.56 = 309,251,576 : x
  2. Step 2: Convert to fraction form
    532,402,469.84/734,589,445.56 = 309,251,576/x
  3. Step 3: Cross multiply
    532,402,469.84x = 734,589,445.56 × 309,251,576
  4. Step 4: Simplify right side
    532,402,469.84x = 227,172,943,752,396,192
  5. Step 5: Solve for x
    x = 227,172,943,752,396,192/532,402,469.84
  6. Step 6: Final answer
    x = 426,694,008.05

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