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Finding the Fourth Proportional to 274,633.40, 411,950.10 and 116,809.40

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Solution

The fourth proportional to 274,633.40, 411,950.10 and 116,809.40 is: 175,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,633.40 : 411,950.10 = 116,809.40 : x
  2. Step 2: Convert to fraction form
    274,633.40/411,950.10 = 116,809.40/x
  3. Step 3: Cross multiply
    274,633.40x = 411,950.10 × 116,809.40
  4. Step 4: Simplify right side
    274,633.40x = 48,119,644,010.94
  5. Step 5: Solve for x
    x = 48,119,644,010.94/274,633.40
  6. Step 6: Final answer
    x = 175,214.10

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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.