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Finding the Fourth Proportional to 606,693.75, 837,237.38 and 338,421.75

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Solution

The fourth proportional to 606,693.75, 837,237.38 and 338,421.75 is: 467,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,693.75 : 837,237.38 = 338,421.75 : x
  2. Step 2: Convert to fraction form
    606,693.75/837,237.38 = 338,421.75/x
  3. Step 3: Cross multiply
    606,693.75x = 837,237.38 × 338,421.75
  4. Step 4: Simplify right side
    606,693.75x = 283,339,339,305.02
  5. Step 5: Solve for x
    x = 283,339,339,305.02/606,693.75
  6. Step 6: Final answer
    x = 467,022.02

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Double scale
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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.