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Finding the Fourth Proportional to 865,560.84, 1,194,807.31 and 774,756.60

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Solution

The fourth proportional to 865,560.84, 1,194,807.31 and 774,756.60 is: 1,069,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,560.84 : 1,194,807.31 = 774,756.60 : x
  2. Step 2: Convert to fraction form
    865,560.84/1,194,807.31 = 774,756.60/x
  3. Step 3: Cross multiply
    865,560.84x = 1,194,807.31 × 774,756.60
  4. Step 4: Simplify right side
    865,560.84x = 925,684,842,733.33
  5. Step 5: Solve for x
    x = 925,684,842,733.33/865,560.84
  6. Step 6: Final answer
    x = 1,069,462.48

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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.