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Finding the Fourth Proportional to 547,222.40, 820,833.60 and 192,199.40

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Solution

The fourth proportional to 547,222.40, 820,833.60 and 192,199.40 is: 288,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,222.40 : 820,833.60 = 192,199.40 : x
  2. Step 2: Convert to fraction form
    547,222.40/820,833.60 = 192,199.40/x
  3. Step 3: Cross multiply
    547,222.40x = 820,833.60 × 192,199.40
  4. Step 4: Simplify right side
    547,222.40x = 157,763,725,419.84
  5. Step 5: Solve for x
    x = 157,763,725,419.84/547,222.40
  6. Step 6: Final answer
    x = 288,299.10

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1.5x scale

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.