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Finding the Fourth Proportional to 274,365.78, 411,247.62 and 141,253.14

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Solution

The fourth proportional to 274,365.78, 411,247.62 and 141,253.14 is: 211,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,365.78 : 411,247.62 = 141,253.14 : x
  2. Step 2: Convert to fraction form
    274,365.78/411,247.62 = 141,253.14/x
  3. Step 3: Cross multiply
    274,365.78x = 411,247.62 × 141,253.14
  4. Step 4: Simplify right side
    274,365.78x = 58,090,017,642.53
  5. Step 5: Solve for x
    x = 58,090,017,642.53/274,365.78
  6. Step 6: Final answer
    x = 211,724.72

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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.