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Finding the Fourth Proportional to 662,391.84, 993,446.82 and 188,950.08

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Solution

The fourth proportional to 662,391.84, 993,446.82 and 188,950.08 is: 283,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,391.84 : 993,446.82 = 188,950.08 : x
  2. Step 2: Convert to fraction form
    662,391.84/993,446.82 = 188,950.08/x
  3. Step 3: Cross multiply
    662,391.84x = 993,446.82 × 188,950.08
  4. Step 4: Simplify right side
    662,391.84x = 187,711,856,114.75
  5. Step 5: Solve for x
    x = 187,711,856,114.75/662,391.84
  6. Step 6: Final answer
    x = 283,384.92

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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.