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Finding the Fourth Proportional to 286,522.99, 395,404.05 and 179,155.24

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Solution

The fourth proportional to 286,522.99, 395,404.05 and 179,155.24 is: 247,235.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,522.99 : 395,404.05 = 179,155.24 : x
  2. Step 2: Convert to fraction form
    286,522.99/395,404.05 = 179,155.24/x
  3. Step 3: Cross multiply
    286,522.99x = 395,404.05 × 179,155.24
  4. Step 4: Simplify right side
    286,522.99x = 70,838,707,474.72
  5. Step 5: Solve for x
    x = 70,838,707,474.72/286,522.99
  6. Step 6: Final answer
    x = 247,235.68

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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.