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Finding the Fourth Proportional to 526,609.08, 726,717.24 and 284,890.68

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Solution

The fourth proportional to 526,609.08, 726,717.24 and 284,890.68 is: 393,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,609.08 : 726,717.24 = 284,890.68 : x
  2. Step 2: Convert to fraction form
    526,609.08/726,717.24 = 284,890.68/x
  3. Step 3: Cross multiply
    526,609.08x = 726,717.24 × 284,890.68
  4. Step 4: Simplify right side
    526,609.08x = 207,034,968,671.32
  5. Step 5: Solve for x
    x = 207,034,968,671.32/526,609.08
  6. Step 6: Final answer
    x = 393,147.36

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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.