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Finding the Fourth Proportional to 673,630.70, 1,010,713.35 and 274,300.70

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Solution

The fourth proportional to 673,630.70, 1,010,713.35 and 274,300.70 is: 411,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,630.70 : 1,010,713.35 = 274,300.70 : x
  2. Step 2: Convert to fraction form
    673,630.70/1,010,713.35 = 274,300.70/x
  3. Step 3: Cross multiply
    673,630.70x = 1,010,713.35 × 274,300.70
  4. Step 4: Simplify right side
    673,630.70x = 277,239,379,404.35
  5. Step 5: Solve for x
    x = 277,239,379,404.35/673,630.70
  6. Step 6: Final answer
    x = 411,559.89

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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.