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Finding the Fourth Proportional to 463,633.06, 695,449.59 and 253,156.18

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Solution

The fourth proportional to 463,633.06, 695,449.59 and 253,156.18 is: 379,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,633.06 : 695,449.59 = 253,156.18 : x
  2. Step 2: Convert to fraction form
    463,633.06/695,449.59 = 253,156.18/x
  3. Step 3: Cross multiply
    463,633.06x = 695,449.59 × 253,156.18
  4. Step 4: Simplify right side
    463,633.06x = 176,057,361,586.97
  5. Step 5: Solve for x
    x = 176,057,361,586.97/463,633.06
  6. Step 6: Final answer
    x = 379,734.27

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Double scale
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Similar ratio
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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.