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Finding the Fourth Proportional to 303,019.90, 418,148.64 and 167,046.82

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Solution

The fourth proportional to 303,019.90, 418,148.64 and 167,046.82 is: 230,514.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,019.90 : 418,148.64 = 167,046.82 : x
  2. Step 2: Convert to fraction form
    303,019.90/418,148.64 = 167,046.82/x
  3. Step 3: Cross multiply
    303,019.90x = 418,148.64 × 167,046.82
  4. Step 4: Simplify right side
    303,019.90x = 69,850,400,599.32
  5. Step 5: Solve for x
    x = 69,850,400,599.32/303,019.90
  6. Step 6: Final answer
    x = 230,514.24

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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.