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Finding the Fourth Proportional to 303,987.33, 456,079.41 and 146,195.28

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Solution

The fourth proportional to 303,987.33, 456,079.41 and 146,195.28 is: 219,340.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,987.33 : 456,079.41 = 146,195.28 : x
  2. Step 2: Convert to fraction form
    303,987.33/456,079.41 = 146,195.28/x
  3. Step 3: Cross multiply
    303,987.33x = 456,079.41 × 146,195.28
  4. Step 4: Simplify right side
    303,987.33x = 66,676,657,047.18
  5. Step 5: Solve for x
    x = 66,676,657,047.18/303,987.33
  6. Step 6: Final answer
    x = 219,340.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.