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Finding the Fourth Proportional to 264,878.78, 365,522.65 and 144,020.17

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Solution

The fourth proportional to 264,878.78, 365,522.65 and 144,020.17 is: 198,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,878.78 : 365,522.65 = 144,020.17 : x
  2. Step 2: Convert to fraction form
    264,878.78/365,522.65 = 144,020.17/x
  3. Step 3: Cross multiply
    264,878.78x = 365,522.65 × 144,020.17
  4. Step 4: Simplify right side
    264,878.78x = 52,642,633,665.73
  5. Step 5: Solve for x
    x = 52,642,633,665.73/264,878.78
  6. Step 6: Final answer
    x = 198,742.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.