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Finding the Fourth Proportional to 975,755.93, 1,464,474.65 and 676,446.70

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Solution

The fourth proportional to 975,755.93, 1,464,474.65 and 676,446.70 is: 1,015,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,755.93 : 1,464,474.65 = 676,446.70 : x
  2. Step 2: Convert to fraction form
    975,755.93/1,464,474.65 = 676,446.70/x
  3. Step 3: Cross multiply
    975,755.93x = 1,464,474.65 × 676,446.70
  4. Step 4: Simplify right side
    975,755.93x = 990,639,036,903.78
  5. Step 5: Solve for x
    x = 990,639,036,903.78/975,755.93
  6. Step 6: Final answer
    x = 1,015,252.90

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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.