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Finding the Fourth Proportional to 547,988.39, 821,904.22 and 188,152.51

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Solution

The fourth proportional to 547,988.39, 821,904.22 and 188,152.51 is: 282,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,988.39 : 821,904.22 = 188,152.51 : x
  2. Step 2: Convert to fraction form
    547,988.39/821,904.22 = 188,152.51/x
  3. Step 3: Cross multiply
    547,988.39x = 821,904.22 × 188,152.51
  4. Step 4: Simplify right side
    547,988.39x = 154,643,339,479.93
  5. Step 5: Solve for x
    x = 154,643,339,479.93/547,988.39
  6. Step 6: Final answer
    x = 282,201.85

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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.