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Finding the Fourth Proportional to 774,572.84, 1,162,314 and 325,259.12

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Solution

The fourth proportional to 774,572.84, 1,162,314 and 325,259.12 is: 488,079.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,572.84 : 1,162,314 = 325,259.12 : x
  2. Step 2: Convert to fraction form
    774,572.84/1,162,314 = 325,259.12/x
  3. Step 3: Cross multiply
    774,572.84x = 1,162,314 × 325,259.12
  4. Step 4: Simplify right side
    774,572.84x = 378,053,228,803.68
  5. Step 5: Solve for x
    x = 378,053,228,803.68/774,572.84
  6. Step 6: Final answer
    x = 488,079.63

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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.