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Finding the Fourth Proportional to 556,103.17, 833,593.88 and 219,013.57

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Solution

The fourth proportional to 556,103.17, 833,593.88 and 219,013.57 is: 328,299.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,103.17 : 833,593.88 = 219,013.57 : x
  2. Step 2: Convert to fraction form
    556,103.17/833,593.88 = 219,013.57/x
  3. Step 3: Cross multiply
    556,103.17x = 833,593.88 × 219,013.57
  4. Step 4: Simplify right side
    556,103.17x = 182,568,373,178.48
  5. Step 5: Solve for x
    x = 182,568,373,178.48/556,103.17
  6. Step 6: Final answer
    x = 328,299.46

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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.