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Finding the Fourth Proportional to 590,491,207.20, 885,736,810.80 and 344,595,424.80

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Solution

The fourth proportional to 590,491,207.20, 885,736,810.80 and 344,595,424.80 is: 516,893,137.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,491,207.20 : 885,736,810.80 = 344,595,424.80 : x
  2. Step 2: Convert to fraction form
    590,491,207.20/885,736,810.80 = 344,595,424.80/x
  3. Step 3: Cross multiply
    590,491,207.20x = 885,736,810.80 × 344,595,424.80
  4. Step 4: Simplify right side
    590,491,207.20x = 305,220,852,578,623,232
  5. Step 5: Solve for x
    x = 305,220,852,578,623,232/590,491,207.20
  6. Step 6: Final answer
    x = 516,893,137.20

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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.