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Finding the Fourth Proportional to 547,038.73, 820,924.53 and 192,053.80

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Solution

The fourth proportional to 547,038.73, 820,924.53 and 192,053.80 is: 288,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,038.73 : 820,924.53 = 192,053.80 : x
  2. Step 2: Convert to fraction form
    547,038.73/820,924.53 = 192,053.80/x
  3. Step 3: Cross multiply
    547,038.73x = 820,924.53 × 192,053.80
  4. Step 4: Simplify right side
    547,038.73x = 157,661,675,499.71
  5. Step 5: Solve for x
    x = 157,661,675,499.71/547,038.73
  6. Step 6: Final answer
    x = 288,209.35

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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.