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Finding the Fourth Proportional to 492,654.24, 679,862.34 and 266,299.74

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Solution

The fourth proportional to 492,654.24, 679,862.34 and 266,299.74 is: 367,493.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,654.24 : 679,862.34 = 266,299.74 : x
  2. Step 2: Convert to fraction form
    492,654.24/679,862.34 = 266,299.74/x
  3. Step 3: Cross multiply
    492,654.24x = 679,862.34 × 266,299.74
  4. Step 4: Simplify right side
    492,654.24x = 181,047,164,377.79
  5. Step 5: Solve for x
    x = 181,047,164,377.79/492,654.24
  6. Step 6: Final answer
    x = 367,493.36

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1.5x scale

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.