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Finding the Fourth Proportional to 492,585.46, 679,767.59 and 266,230.96

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Solution

The fourth proportional to 492,585.46, 679,767.59 and 266,230.96 is: 367,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,585.46 : 679,767.59 = 266,230.96 : x
  2. Step 2: Convert to fraction form
    492,585.46/679,767.59 = 266,230.96/x
  3. Step 3: Cross multiply
    492,585.46x = 679,767.59 × 266,230.96
  4. Step 4: Simplify right side
    492,585.46x = 180,975,178,062.59
  5. Step 5: Solve for x
    x = 180,975,178,062.59/492,585.46
  6. Step 6: Final answer
    x = 367,398.54

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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.