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Finding the Fourth Proportional to 673,767.70, 1,010,651.55 and 274,202.80

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Solution

The fourth proportional to 673,767.70, 1,010,651.55 and 274,202.80 is: 411,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,767.70 : 1,010,651.55 = 274,202.80 : x
  2. Step 2: Convert to fraction form
    673,767.70/1,010,651.55 = 274,202.80/x
  3. Step 3: Cross multiply
    673,767.70x = 1,010,651.55 × 274,202.80
  4. Step 4: Simplify right side
    673,767.70x = 277,123,484,834.34
  5. Step 5: Solve for x
    x = 277,123,484,834.34/673,767.70
  6. Step 6: Final answer
    x = 411,304.20

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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.