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Finding the Fourth Proportional to 609,191.32, 914,117.58 and 254,236.36

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Solution

The fourth proportional to 609,191.32, 914,117.58 and 254,236.36 is: 381,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,191.32 : 914,117.58 = 254,236.36 : x
  2. Step 2: Convert to fraction form
    609,191.32/914,117.58 = 254,236.36/x
  3. Step 3: Cross multiply
    609,191.32x = 914,117.58 × 254,236.36
  4. Step 4: Simplify right side
    609,191.32x = 232,401,926,151.21
  5. Step 5: Solve for x
    x = 232,401,926,151.21/609,191.32
  6. Step 6: Final answer
    x = 381,492.51

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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.