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Finding the Fourth Proportional to 547,233.40, 820,850.10 and 192,210.40

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Solution

The fourth proportional to 547,233.40, 820,850.10 and 192,210.40 is: 288,315.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,233.40 : 820,850.10 = 192,210.40 : x
  2. Step 2: Convert to fraction form
    547,233.40/820,850.10 = 192,210.40/x
  3. Step 3: Cross multiply
    547,233.40x = 820,850.10 × 192,210.40
  4. Step 4: Simplify right side
    547,233.40x = 157,775,926,061.04
  5. Step 5: Solve for x
    x = 157,775,926,061.04/547,233.40
  6. Step 6: Final answer
    x = 288,315.60

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Similar ratio
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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.