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Finding the Fourth Proportional to 216,377.02, 324,282.72 and 156,606.76

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Solution

The fourth proportional to 216,377.02, 324,282.72 and 156,606.76 is: 234,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,377.02 : 324,282.72 = 156,606.76 : x
  2. Step 2: Convert to fraction form
    216,377.02/324,282.72 = 156,606.76/x
  3. Step 3: Cross multiply
    216,377.02x = 324,282.72 × 156,606.76
  4. Step 4: Simplify right side
    216,377.02x = 50,784,866,103.19
  5. Step 5: Solve for x
    x = 50,784,866,103.19/216,377.02
  6. Step 6: Final answer
    x = 234,705.45

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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.