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Finding the Fourth Proportional to 774,481.53, 1,068,900 and 610,762.71

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Solution

The fourth proportional to 774,481.53, 1,068,900 and 610,762.71 is: 842,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,481.53 : 1,068,900 = 610,762.71 : x
  2. Step 2: Convert to fraction form
    774,481.53/1,068,900 = 610,762.71/x
  3. Step 3: Cross multiply
    774,481.53x = 1,068,900 × 610,762.71
  4. Step 4: Simplify right side
    774,481.53x = 652,844,260,719
  5. Step 5: Solve for x
    x = 652,844,260,719/774,481.53
  6. Step 6: Final answer
    x = 842,943.62

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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.