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Finding the Fourth Proportional to 966,203.80, 1,449,305.70 and 606,952.60

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Solution

The fourth proportional to 966,203.80, 1,449,305.70 and 606,952.60 is: 910,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,203.80 : 1,449,305.70 = 606,952.60 : x
  2. Step 2: Convert to fraction form
    966,203.80/1,449,305.70 = 606,952.60/x
  3. Step 3: Cross multiply
    966,203.80x = 1,449,305.70 × 606,952.60
  4. Step 4: Simplify right side
    966,203.80x = 879,659,862,809.82
  5. Step 5: Solve for x
    x = 879,659,862,809.82/966,203.80
  6. Step 6: Final answer
    x = 910,428.90

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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.