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Finding the Fourth Proportional to 606,609.50, 837,121.11 and 338,337.50

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Solution

The fourth proportional to 606,609.50, 837,121.11 and 338,337.50 is: 466,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,609.50 : 837,121.11 = 338,337.50 : x
  2. Step 2: Convert to fraction form
    606,609.50/837,121.11 = 338,337.50/x
  3. Step 3: Cross multiply
    606,609.50x = 837,121.11 × 338,337.50
  4. Step 4: Simplify right side
    606,609.50x = 283,229,463,554.63
  5. Step 5: Solve for x
    x = 283,229,463,554.63/606,609.50
  6. Step 6: Final answer
    x = 466,905.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.