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Finding the Fourth Proportional to 221,433,143.70, 332,149,715.55 and 221,433,143.70

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Solution

The fourth proportional to 221,433,143.70, 332,149,715.55 and 221,433,143.70 is: 332,149,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,433,143.70 : 332,149,715.55 = 221,433,143.70 : x
  2. Step 2: Convert to fraction form
    221,433,143.70/332,149,715.55 = 221,433,143.70/x
  3. Step 3: Cross multiply
    221,433,143.70x = 332,149,715.55 × 221,433,143.70
  4. Step 4: Simplify right side
    221,433,143.70x = 73,548,955,693,297,280
  5. Step 5: Solve for x
    x = 73,548,955,693,297,280/221,433,143.70
  6. Step 6: Final answer
    x = 332,149,715.55

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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.