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Finding the Fourth Proportional to 293,059.20, 439,243.20 and 124,579.20

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Solution

The fourth proportional to 293,059.20, 439,243.20 and 124,579.20 is: 186,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,059.20 : 439,243.20 = 124,579.20 : x
  2. Step 2: Convert to fraction form
    293,059.20/439,243.20 = 124,579.20/x
  3. Step 3: Cross multiply
    293,059.20x = 439,243.20 × 124,579.20
  4. Step 4: Simplify right side
    293,059.20x = 54,720,566,461.44
  5. Step 5: Solve for x
    x = 54,720,566,461.44/293,059.20
  6. Step 6: Final answer
    x = 186,721.89

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1.5x scale

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.