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Finding the Fourth Proportional to 353,497.33, 530,246 and 291,036.61

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Solution

The fourth proportional to 353,497.33, 530,246 and 291,036.61 is: 436,554.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,497.33 : 530,246 = 291,036.61 : x
  2. Step 2: Convert to fraction form
    353,497.33/530,246 = 291,036.61/x
  3. Step 3: Cross multiply
    353,497.33x = 530,246 × 291,036.61
  4. Step 4: Simplify right side
    353,497.33x = 154,320,998,306.06
  5. Step 5: Solve for x
    x = 154,320,998,306.06/353,497.33
  6. Step 6: Final answer
    x = 436,554.92

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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.