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Finding the Fourth Proportional to 216,273.67, 296,290.00 and 208,187.47

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Solution

The fourth proportional to 216,273.67, 296,290.00 and 208,187.47 is: 285,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,273.67 : 296,290.00 = 208,187.47 : x
  2. Step 2: Convert to fraction form
    216,273.67/296,290.00 = 208,187.47/x
  3. Step 3: Cross multiply
    216,273.67x = 296,290.00 × 208,187.47
  4. Step 4: Simplify right side
    216,273.67x = 61,683,864,450.27
  5. Step 5: Solve for x
    x = 61,683,864,450.27/216,273.67
  6. Step 6: Final answer
    x = 285,212.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.