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Finding the Fourth Proportional to 313,522.52, 432,662.31 and 170,284.95

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Solution

The fourth proportional to 313,522.52, 432,662.31 and 170,284.95 is: 234,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,522.52 : 432,662.31 = 170,284.95 : x
  2. Step 2: Convert to fraction form
    313,522.52/432,662.31 = 170,284.95/x
  3. Step 3: Cross multiply
    313,522.52x = 432,662.31 × 170,284.95
  4. Step 4: Simplify right side
    313,522.52x = 73,675,879,825.23
  5. Step 5: Solve for x
    x = 73,675,879,825.23/313,522.52
  6. Step 6: Final answer
    x = 234,993.90

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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.