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Finding the Fourth Proportional to 547,340.04, 820,674.72 and 192,394.80

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Solution

The fourth proportional to 547,340.04, 820,674.72 and 192,394.80 is: 288,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,340.04 : 820,674.72 = 192,394.80 : x
  2. Step 2: Convert to fraction form
    547,340.04/820,674.72 = 192,394.80/x
  3. Step 3: Cross multiply
    547,340.04x = 820,674.72 × 192,394.80
  4. Step 4: Simplify right side
    547,340.04x = 157,893,548,619.46
  5. Step 5: Solve for x
    x = 157,893,548,619.46/547,340.04
  6. Step 6: Final answer
    x = 288,474.33

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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.