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Finding the Fourth Proportional to 339,343.59, 468,078.96 and 208,463.97

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Solution

The fourth proportional to 339,343.59, 468,078.96 and 208,463.97 is: 287,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,343.59 : 468,078.96 = 208,463.97 : x
  2. Step 2: Convert to fraction form
    339,343.59/468,078.96 = 208,463.97/x
  3. Step 3: Cross multiply
    339,343.59x = 468,078.96 × 208,463.97
  4. Step 4: Simplify right side
    339,343.59x = 97,577,598,275.07
  5. Step 5: Solve for x
    x = 97,577,598,275.07/339,343.59
  6. Step 6: Final answer
    x = 287,548.08

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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.