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Finding the Fourth Proportional to 299,664.98, 413,550.24 and 172,340.67

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Solution

The fourth proportional to 299,664.98, 413,550.24 and 172,340.67 is: 237,837.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,664.98 : 413,550.24 = 172,340.67 : x
  2. Step 2: Convert to fraction form
    299,664.98/413,550.24 = 172,340.67/x
  3. Step 3: Cross multiply
    299,664.98x = 413,550.24 × 172,340.67
  4. Step 4: Simplify right side
    299,664.98x = 71,271,525,440.26
  5. Step 5: Solve for x
    x = 71,271,525,440.26/299,664.98
  6. Step 6: Final answer
    x = 237,837.35

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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.