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Finding the Fourth Proportional to 303,018.90, 418,147.26 and 167,045.82

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Solution

The fourth proportional to 303,018.90, 418,147.26 and 167,045.82 is: 230,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,018.90 : 418,147.26 = 167,045.82 : x
  2. Step 2: Convert to fraction form
    303,018.90/418,147.26 = 167,045.82/x
  3. Step 3: Cross multiply
    303,018.90x = 418,147.26 × 167,045.82
  4. Step 4: Simplify right side
    303,018.90x = 69,849,751,927.45
  5. Step 5: Solve for x
    x = 69,849,751,927.45/303,018.90
  6. Step 6: Final answer
    x = 230,512.86

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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.