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Finding the Fourth Proportional to 499,069.65, 748,666.61 and 195,424.62

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Solution

The fourth proportional to 499,069.65, 748,666.61 and 195,424.62 is: 293,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,069.65 : 748,666.61 = 195,424.62 : x
  2. Step 2: Convert to fraction form
    499,069.65/748,666.61 = 195,424.62/x
  3. Step 3: Cross multiply
    499,069.65x = 748,666.61 × 195,424.62
  4. Step 4: Simplify right side
    499,069.65x = 146,307,887,765.94
  5. Step 5: Solve for x
    x = 146,307,887,765.94/499,069.65
  6. Step 6: Final answer
    x = 293,161.26

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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.