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Finding the Fourth Proportional to 333,158.59, 499,959.15 and 155,679.31

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Solution

The fourth proportional to 333,158.59, 499,959.15 and 155,679.31 is: 233,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,158.59 : 499,959.15 = 155,679.31 : x
  2. Step 2: Convert to fraction form
    333,158.59/499,959.15 = 155,679.31/x
  3. Step 3: Cross multiply
    333,158.59x = 499,959.15 × 155,679.31
  4. Step 4: Simplify right side
    333,158.59x = 77,833,295,500.19
  5. Step 5: Solve for x
    x = 77,833,295,500.19/333,158.59
  6. Step 6: Final answer
    x = 233,622.36

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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.