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Finding the Fourth Proportional to 496,866,467.40, 745,299,701.10 and 169,711,387.80

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Solution

The fourth proportional to 496,866,467.40, 745,299,701.10 and 169,711,387.80 is: 254,567,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,866,467.40 : 745,299,701.10 = 169,711,387.80 : x
  2. Step 2: Convert to fraction form
    496,866,467.40/745,299,701.10 = 169,711,387.80/x
  3. Step 3: Cross multiply
    496,866,467.40x = 745,299,701.10 × 169,711,387.80
  4. Step 4: Simplify right side
    496,866,467.40x = 126,485,846,600,606,192
  5. Step 5: Solve for x
    x = 126,485,846,600,606,192/496,866,467.40
  6. Step 6: Final answer
    x = 254,567,081.70

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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.