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Finding the Fourth Proportional to 590,356,108.80, 885,912,076.80 and 344,712,268.80

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Solution

The fourth proportional to 590,356,108.80, 885,912,076.80 and 344,712,268.80 is: 517,289,069.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,356,108.80 : 885,912,076.80 = 344,712,268.80 : x
  2. Step 2: Convert to fraction form
    590,356,108.80/885,912,076.80 = 344,712,268.80/x
  3. Step 3: Cross multiply
    590,356,108.80x = 885,912,076.80 × 344,712,268.80
  4. Step 4: Simplify right side
    590,356,108.80x = 305,384,761,951,047,808
  5. Step 5: Solve for x
    x = 305,384,761,951,047,808/590,356,108.80
  6. Step 6: Final answer
    x = 517,289,069.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.