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Finding the Fourth Proportional to 216,407.73, 324,611.59 and 216,407.73

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Solution

The fourth proportional to 216,407.73, 324,611.59 and 216,407.73 is: 324,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,407.73 : 324,611.59 = 216,407.73 : x
  2. Step 2: Convert to fraction form
    216,407.73/324,611.59 = 216,407.73/x
  3. Step 3: Cross multiply
    216,407.73x = 324,611.59 × 216,407.73
  4. Step 4: Simplify right side
    216,407.73x = 70,248,455,700.53
  5. Step 5: Solve for x
    x = 70,248,455,700.53/216,407.73
  6. Step 6: Final answer
    x = 324,611.59

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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.