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Finding the Fourth Proportional to 496,866,426.40, 745,299,639.60 and 169,711,346.80

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Solution

The fourth proportional to 496,866,426.40, 745,299,639.60 and 169,711,346.80 is: 254,567,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,866,426.40 : 745,299,639.60 = 169,711,346.80 : x
  2. Step 2: Convert to fraction form
    496,866,426.40/745,299,639.60 = 169,711,346.80/x
  3. Step 3: Cross multiply
    496,866,426.40x = 745,299,639.60 × 169,711,346.80
  4. Step 4: Simplify right side
    496,866,426.40x = 126,485,805,606,070,624
  5. Step 5: Solve for x
    x = 126,485,805,606,070,624/496,866,426.40
  6. Step 6: Final answer
    x = 254,567,020.20

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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.