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Finding the Fourth Proportional to 351,266.92, 526,476.06 and 171,082.30

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Solution

The fourth proportional to 351,266.92, 526,476.06 and 171,082.30 is: 256,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,266.92 : 526,476.06 = 171,082.30 : x
  2. Step 2: Convert to fraction form
    351,266.92/526,476.06 = 171,082.30/x
  3. Step 3: Cross multiply
    351,266.92x = 526,476.06 × 171,082.30
  4. Step 4: Simplify right side
    351,266.92x = 90,070,735,239.74
  5. Step 5: Solve for x
    x = 90,070,735,239.74/351,266.92
  6. Step 6: Final answer
    x = 256,416.79

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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.