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Finding the Fourth Proportional to 492,654.58, 679,863.02 and 266,300.08

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Solution

The fourth proportional to 492,654.58, 679,863.02 and 266,300.08 is: 367,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,654.58 : 679,863.02 = 266,300.08 : x
  2. Step 2: Convert to fraction form
    492,654.58/679,863.02 = 266,300.08/x
  3. Step 3: Cross multiply
    492,654.58x = 679,863.02 × 266,300.08
  4. Step 4: Simplify right side
    492,654.58x = 181,047,576,615.04
  5. Step 5: Solve for x
    x = 181,047,576,615.04/492,654.58
  6. Step 6: Final answer
    x = 367,493.95

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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.