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Finding the Fourth Proportional to 978,464.94, 1,350,429.21 and 596,713.17

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Solution

The fourth proportional to 978,464.94, 1,350,429.21 and 596,713.17 is: 823,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,464.94 : 1,350,429.21 = 596,713.17 : x
  2. Step 2: Convert to fraction form
    978,464.94/1,350,429.21 = 596,713.17/x
  3. Step 3: Cross multiply
    978,464.94x = 1,350,429.21 × 596,713.17
  4. Step 4: Simplify right side
    978,464.94x = 805,818,894,759.70
  5. Step 5: Solve for x
    x = 805,818,894,759.70/978,464.94
  6. Step 6: Final answer
    x = 823,554.18

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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.