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Finding the Fourth Proportional to 906,637.11, 1,359,965.14 and 266,952.95

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Solution

The fourth proportional to 906,637.11, 1,359,965.14 and 266,952.95 is: 400,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,637.11 : 1,359,965.14 = 266,952.95 : x
  2. Step 2: Convert to fraction form
    906,637.11/1,359,965.14 = 266,952.95/x
  3. Step 3: Cross multiply
    906,637.11x = 1,359,965.14 × 266,952.95
  4. Step 4: Simplify right side
    906,637.11x = 363,046,706,020.16
  5. Step 5: Solve for x
    x = 363,046,706,020.16/906,637.11
  6. Step 6: Final answer
    x = 400,432.21

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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.