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Finding the Fourth Proportional to 274,497.40, 378,693.62 and 167,049.80

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Solution

The fourth proportional to 274,497.40, 378,693.62 and 167,049.80 is: 230,460.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,497.40 : 378,693.62 = 167,049.80 : x
  2. Step 2: Convert to fraction form
    274,497.40/378,693.62 = 167,049.80/x
  3. Step 3: Cross multiply
    274,497.40x = 378,693.62 × 167,049.80
  4. Step 4: Simplify right side
    274,497.40x = 63,260,693,482.28
  5. Step 5: Solve for x
    x = 63,260,693,482.28/274,497.40
  6. Step 6: Final answer
    x = 230,460.08

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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.