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Finding the Fourth Proportional to 541,307.70, 811,961.55 and 167,330.10

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Solution

The fourth proportional to 541,307.70, 811,961.55 and 167,330.10 is: 250,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,307.70 : 811,961.55 = 167,330.10 : x
  2. Step 2: Convert to fraction form
    541,307.70/811,961.55 = 167,330.10/x
  3. Step 3: Cross multiply
    541,307.70x = 811,961.55 × 167,330.10
  4. Step 4: Simplify right side
    541,307.70x = 135,865,607,357.66
  5. Step 5: Solve for x
    x = 135,865,607,357.66/541,307.70
  6. Step 6: Final answer
    x = 250,995.15

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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.