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Finding the Fourth Proportional to 526,576.32, 726,673.14 and 284,858.33

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Solution

The fourth proportional to 526,576.32, 726,673.14 and 284,858.33 is: 393,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,576.32 : 726,673.14 = 284,858.33 : x
  2. Step 2: Convert to fraction form
    526,576.32/726,673.14 = 284,858.33/x
  3. Step 3: Cross multiply
    526,576.32x = 726,673.14 × 284,858.33
  4. Step 4: Simplify right side
    526,576.32x = 206,998,893,482.89
  5. Step 5: Solve for x
    x = 206,998,893,482.89/526,576.32
  6. Step 6: Final answer
    x = 393,103.31

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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.