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Finding the Fourth Proportional to 590,491,141.20, 885,736,711.80 and 344,595,358.80

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Solution

The fourth proportional to 590,491,141.20, 885,736,711.80 and 344,595,358.80 is: 516,893,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,491,141.20 : 885,736,711.80 = 344,595,358.80 : x
  2. Step 2: Convert to fraction form
    590,491,141.20/885,736,711.80 = 344,595,358.80/x
  3. Step 3: Cross multiply
    590,491,141.20x = 885,736,711.80 × 344,595,358.80
  4. Step 4: Simplify right side
    590,491,141.20x = 305,220,760,005,053,184
  5. Step 5: Solve for x
    x = 305,220,760,005,053,184/590,491,141.20
  6. Step 6: Final answer
    x = 516,893,038.20

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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.