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Finding the Fourth Proportional to 548,585.16, 822,665 and 188,687.58

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Solution

The fourth proportional to 548,585.16, 822,665 and 188,687.58 is: 282,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,585.16 : 822,665 = 188,687.58 : x
  2. Step 2: Convert to fraction form
    548,585.16/822,665 = 188,687.58/x
  3. Step 3: Cross multiply
    548,585.16x = 822,665 × 188,687.58
  4. Step 4: Simplify right side
    548,585.16x = 155,226,668,000.70
  5. Step 5: Solve for x
    x = 155,226,668,000.70/548,585.16
  6. Step 6: Final answer
    x = 282,958.20

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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.