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Finding the Fourth Proportional to 339,417.92, 509,181.96 and 114,792.06

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Solution

The fourth proportional to 339,417.92, 509,181.96 and 114,792.06 is: 172,206.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,417.92 : 509,181.96 = 114,792.06 : x
  2. Step 2: Convert to fraction form
    339,417.92/509,181.96 = 114,792.06/x
  3. Step 3: Cross multiply
    339,417.92x = 509,181.96 × 114,792.06
  4. Step 4: Simplify right side
    339,417.92x = 58,450,046,103.24
  5. Step 5: Solve for x
    x = 58,450,046,103.24/339,417.92
  6. Step 6: Final answer
    x = 172,206.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.