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Finding the Fourth Proportional to 1,784,392.75, 2,462,395.25 and 968,578.88

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Solution

The fourth proportional to 1,784,392.75, 2,462,395.25 and 968,578.88 is: 1,336,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,392.75 : 2,462,395.25 = 968,578.88 : x
  2. Step 2: Convert to fraction form
    1,784,392.75/2,462,395.25 = 968,578.88/x
  3. Step 3: Cross multiply
    1,784,392.75x = 2,462,395.25 × 968,578.88
  4. Step 4: Simplify right side
    1,784,392.75x = 2,385,024,033,362.32
  5. Step 5: Solve for x
    x = 2,385,024,033,362.32/1,784,392.75
  6. Step 6: Final answer
    x = 1,336,602.62

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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.