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Finding the Fourth Proportional to 293,160.76, 404,571.80 and 172,300.32

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Solution

The fourth proportional to 293,160.76, 404,571.80 and 172,300.32 is: 237,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,160.76 : 404,571.80 = 172,300.32 : x
  2. Step 2: Convert to fraction form
    293,160.76/404,571.80 = 172,300.32/x
  3. Step 3: Cross multiply
    293,160.76x = 404,571.80 × 172,300.32
  4. Step 4: Simplify right side
    293,160.76x = 69,707,850,602.98
  5. Step 5: Solve for x
    x = 69,707,850,602.98/293,160.76
  6. Step 6: Final answer
    x = 237,780.29

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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.