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Finding the Fourth Proportional to 606,779.50, 837,356.08 and 338,507.50

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Solution

The fourth proportional to 606,779.50, 837,356.08 and 338,507.50 is: 467,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,779.50 : 837,356.08 = 338,507.50 : x
  2. Step 2: Convert to fraction form
    606,779.50/837,356.08 = 338,507.50/x
  3. Step 3: Cross multiply
    606,779.50x = 837,356.08 × 338,507.50
  4. Step 4: Simplify right side
    606,779.50x = 283,451,313,250.60
  5. Step 5: Solve for x
    x = 283,451,313,250.60/606,779.50
  6. Step 6: Final answer
    x = 467,140.56

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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.