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Finding the Fourth Proportional to 216,793.85, 302,920.90 and 216,793.85

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Solution

The fourth proportional to 216,793.85, 302,920.90 and 216,793.85 is: 302,920.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,793.85 : 302,920.90 = 216,793.85 : x
  2. Step 2: Convert to fraction form
    216,793.85/302,920.90 = 216,793.85/x
  3. Step 3: Cross multiply
    216,793.85x = 302,920.90 × 216,793.85
  4. Step 4: Simplify right side
    216,793.85x = 65,671,388,156.47
  5. Step 5: Solve for x
    x = 65,671,388,156.47/216,793.85
  6. Step 6: Final answer
    x = 302,920.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.