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Finding the Fourth Proportional to 703,800.76, 1,055,478.19 and 254,462.17

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Solution

The fourth proportional to 703,800.76, 1,055,478.19 and 254,462.17 is: 381,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,800.76 : 1,055,478.19 = 254,462.17 : x
  2. Step 2: Convert to fraction form
    703,800.76/1,055,478.19 = 254,462.17/x
  3. Step 3: Cross multiply
    703,800.76x = 1,055,478.19 × 254,462.17
  4. Step 4: Simplify right side
    703,800.76x = 268,579,270,615.07
  5. Step 5: Solve for x
    x = 268,579,270,615.07/703,800.76
  6. Step 6: Final answer
    x = 381,612.65

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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.