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Finding the Fourth Proportional to 274,648.66, 411,488.47 and 240,534.02

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Solution

The fourth proportional to 274,648.66, 411,488.47 and 240,534.02 is: 360,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,648.66 : 411,488.47 = 240,534.02 : x
  2. Step 2: Convert to fraction form
    274,648.66/411,488.47 = 240,534.02/x
  3. Step 3: Cross multiply
    274,648.66x = 411,488.47 × 240,534.02
  4. Step 4: Simplify right side
    274,648.66x = 98,976,975,872.75
  5. Step 5: Solve for x
    x = 98,976,975,872.75/274,648.66
  6. Step 6: Final answer
    x = 360,376.69

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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.