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Finding the Fourth Proportional to 526,383.17, 726,414.50 and 284,670.46

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Solution

The fourth proportional to 526,383.17, 726,414.50 and 284,670.46 is: 392,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,383.17 : 726,414.50 = 284,670.46 : x
  2. Step 2: Convert to fraction form
    526,383.17/726,414.50 = 284,670.46/x
  3. Step 3: Cross multiply
    526,383.17x = 726,414.50 × 284,670.46
  4. Step 4: Simplify right side
    526,383.17x = 206,788,748,761.31
  5. Step 5: Solve for x
    x = 206,788,748,761.31/526,383.17
  6. Step 6: Final answer
    x = 392,848.33

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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.