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Finding the Fourth Proportional to 274,302.08, 411,499.20 and 87,370.88

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Solution

The fourth proportional to 274,302.08, 411,499.20 and 87,370.88 is: 131,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,302.08 : 411,499.20 = 87,370.88 : x
  2. Step 2: Convert to fraction form
    274,302.08/411,499.20 = 87,370.88/x
  3. Step 3: Cross multiply
    274,302.08x = 411,499.20 × 87,370.88
  4. Step 4: Simplify right side
    274,302.08x = 35,953,047,223.30
  5. Step 5: Solve for x
    x = 35,953,047,223.30/274,302.08
  6. Step 6: Final answer
    x = 131,071.00

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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.