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Finding the Fourth Proportional to 464,421.50, 696,640.89 and 132,006.14

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Solution

The fourth proportional to 464,421.50, 696,640.89 and 132,006.14 is: 198,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,421.50 : 696,640.89 = 132,006.14 : x
  2. Step 2: Convert to fraction form
    464,421.50/696,640.89 = 132,006.14/x
  3. Step 3: Cross multiply
    464,421.50x = 696,640.89 × 132,006.14
  4. Step 4: Simplify right side
    464,421.50x = 91,960,874,855.06
  5. Step 5: Solve for x
    x = 91,960,874,855.06/464,421.50
  6. Step 6: Final answer
    x = 198,011.67

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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.