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Finding the Fourth Proportional to 316,596.33, 474,561.99 and 116,789.58

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Solution

The fourth proportional to 316,596.33, 474,561.99 and 116,789.58 is: 175,061.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,596.33 : 474,561.99 = 116,789.58 : x
  2. Step 2: Convert to fraction form
    316,596.33/474,561.99 = 116,789.58/x
  3. Step 3: Cross multiply
    316,596.33x = 474,561.99 × 116,789.58
  4. Step 4: Simplify right side
    316,596.33x = 55,423,895,496.06
  5. Step 5: Solve for x
    x = 55,423,895,496.06/316,596.33
  6. Step 6: Final answer
    x = 175,061.71

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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.