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Finding the Fourth Proportional to 602,993.30, 905,008.35 and 266,551.70

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Solution

The fourth proportional to 602,993.30, 905,008.35 and 266,551.70 is: 400,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,993.30 : 905,008.35 = 266,551.70 : x
  2. Step 2: Convert to fraction form
    602,993.30/905,008.35 = 266,551.70/x
  3. Step 3: Cross multiply
    602,993.30x = 905,008.35 × 266,551.70
  4. Step 4: Simplify right side
    602,993.30x = 241,231,514,206.70
  5. Step 5: Solve for x
    x = 241,231,514,206.70/602,993.30
  6. Step 6: Final answer
    x = 400,056.71

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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.