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Finding the Fourth Proportional to 344,767,756.89, 475,789,598.61 and 188,144,959.11

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Solution

The fourth proportional to 344,767,756.89, 475,789,598.61 and 188,144,959.11 is: 259,645,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,767,756.89 : 475,789,598.61 = 188,144,959.11 : x
  2. Step 2: Convert to fraction form
    344,767,756.89/475,789,598.61 = 188,144,959.11/x
  3. Step 3: Cross multiply
    344,767,756.89x = 475,789,598.61 × 188,144,959.11
  4. Step 4: Simplify right side
    344,767,756.89x = 89,517,414,574,009,376
  5. Step 5: Solve for x
    x = 89,517,414,574,009,376/344,767,756.89
  6. Step 6: Final answer
    x = 259,645,552.07

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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.