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Finding the Fourth Proportional to 418,683.33, 577,766.52 and 227,696.67

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Solution

The fourth proportional to 418,683.33, 577,766.52 and 227,696.67 is: 314,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,683.33 : 577,766.52 = 227,696.67 : x
  2. Step 2: Convert to fraction form
    418,683.33/577,766.52 = 227,696.67/x
  3. Step 3: Cross multiply
    418,683.33x = 577,766.52 × 227,696.67
  4. Step 4: Simplify right side
    418,683.33x = 131,555,512,641.49
  5. Step 5: Solve for x
    x = 131,555,512,641.49/418,683.33
  6. Step 6: Final answer
    x = 314,212.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.