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Finding the Fourth Proportional to 415,775.91, 573,736.39 and 234,532.38

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Solution

The fourth proportional to 415,775.91, 573,736.39 and 234,532.38 is: 323,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,775.91 : 573,736.39 = 234,532.38 : x
  2. Step 2: Convert to fraction form
    415,775.91/573,736.39 = 234,532.38/x
  3. Step 3: Cross multiply
    415,775.91x = 573,736.39 × 234,532.38
  4. Step 4: Simplify right side
    415,775.91x = 134,559,760,583.82
  5. Step 5: Solve for x
    x = 134,559,760,583.82/415,775.91
  6. Step 6: Final answer
    x = 323,635.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.