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Finding the Fourth Proportional to 562,780.24, 843,955.07 and 278,373.17

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Solution

The fourth proportional to 562,780.24, 843,955.07 and 278,373.17 is: 417,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,780.24 : 843,955.07 = 278,373.17 : x
  2. Step 2: Convert to fraction form
    562,780.24/843,955.07 = 278,373.17/x
  3. Step 3: Cross multiply
    562,780.24x = 843,955.07 × 278,373.17
  4. Step 4: Simplify right side
    562,780.24x = 234,934,448,891.49
  5. Step 5: Solve for x
    x = 234,934,448,891.49/562,780.24
  6. Step 6: Final answer
    x = 417,453.27

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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.