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Finding the Fourth Proportional to 351,800.70, 527,701.05 and 141,330.30

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Solution

The fourth proportional to 351,800.70, 527,701.05 and 141,330.30 is: 211,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,800.70 : 527,701.05 = 141,330.30 : x
  2. Step 2: Convert to fraction form
    351,800.70/527,701.05 = 141,330.30/x
  3. Step 3: Cross multiply
    351,800.70x = 527,701.05 × 141,330.30
  4. Step 4: Simplify right side
    351,800.70x = 74,580,147,706.82
  5. Step 5: Solve for x
    x = 74,580,147,706.82/351,800.70
  6. Step 6: Final answer
    x = 211,995.45

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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.