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Finding the Fourth Proportional to 274,532.40, 411,869.54 and 160,776.22

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Solution

The fourth proportional to 274,532.40, 411,869.54 and 160,776.22 is: 241,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,532.40 : 411,869.54 = 160,776.22 : x
  2. Step 2: Convert to fraction form
    274,532.40/411,869.54 = 160,776.22/x
  3. Step 3: Cross multiply
    274,532.40x = 411,869.54 × 160,776.22
  4. Step 4: Simplify right side
    274,532.40x = 66,218,827,774.34
  5. Step 5: Solve for x
    x = 66,218,827,774.34/274,532.40
  6. Step 6: Final answer
    x = 241,205.88

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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.