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Finding the Fourth Proportional to 311,034.30, 466,551.45 and 248,826.30

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Solution

The fourth proportional to 311,034.30, 466,551.45 and 248,826.30 is: 373,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,034.30 : 466,551.45 = 248,826.30 : x
  2. Step 2: Convert to fraction form
    311,034.30/466,551.45 = 248,826.30/x
  3. Step 3: Cross multiply
    311,034.30x = 466,551.45 × 248,826.30
  4. Step 4: Simplify right side
    311,034.30x = 116,090,271,063.14
  5. Step 5: Solve for x
    x = 116,090,271,063.14/311,034.30
  6. Step 6: Final answer
    x = 373,239.45

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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.