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Finding the Fourth Proportional to 574,842.84, 862,198.65 and 154,085.91

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Solution

The fourth proportional to 574,842.84, 862,198.65 and 154,085.91 is: 231,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,842.84 : 862,198.65 = 154,085.91 : x
  2. Step 2: Convert to fraction form
    574,842.84/862,198.65 = 154,085.91/x
  3. Step 3: Cross multiply
    574,842.84x = 862,198.65 × 154,085.91
  4. Step 4: Simplify right side
    574,842.84x = 132,852,663,586.02
  5. Step 5: Solve for x
    x = 132,852,663,586.02/574,842.84
  6. Step 6: Final answer
    x = 231,111.28

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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.