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Finding the Fourth Proportional to 339,562.80, 468,003.51 and 248,725.71

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Solution

The fourth proportional to 339,562.80, 468,003.51 and 248,725.71 is: 342,807.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,562.80 : 468,003.51 = 248,725.71 : x
  2. Step 2: Convert to fraction form
    339,562.80/468,003.51 = 248,725.71/x
  3. Step 3: Cross multiply
    339,562.80x = 468,003.51 × 248,725.71
  4. Step 4: Simplify right side
    339,562.80x = 116,404,505,307.24
  5. Step 5: Solve for x
    x = 116,404,505,307.24/339,562.80
  6. Step 6: Final answer
    x = 342,807.00

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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.