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Finding the Fourth Proportional to 313,026.92, 431,973.97 and 169,783.89

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Solution

The fourth proportional to 313,026.92, 431,973.97 and 169,783.89 is: 234,300.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,026.92 : 431,973.97 = 169,783.89 : x
  2. Step 2: Convert to fraction form
    313,026.92/431,973.97 = 169,783.89/x
  3. Step 3: Cross multiply
    313,026.92x = 431,973.97 × 169,783.89
  4. Step 4: Simplify right side
    313,026.92x = 73,342,221,005.34
  5. Step 5: Solve for x
    x = 73,342,221,005.34/313,026.92
  6. Step 6: Final answer
    x = 234,300.04

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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.