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Finding the Fourth Proportional to 282,722.61, 424,227.42 and 188,018.67

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Solution

The fourth proportional to 282,722.61, 424,227.42 and 188,018.67 is: 282,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,722.61 : 424,227.42 = 188,018.67 : x
  2. Step 2: Convert to fraction form
    282,722.61/424,227.42 = 188,018.67/x
  3. Step 3: Cross multiply
    282,722.61x = 424,227.42 × 188,018.67
  4. Step 4: Simplify right side
    282,722.61x = 79,762,675,285.93
  5. Step 5: Solve for x
    x = 79,762,675,285.93/282,722.61
  6. Step 6: Final answer
    x = 282,123.44

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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.