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Finding the Fourth Proportional to 501,215.40, 751,823.10 and 146,265.30

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Solution

The fourth proportional to 501,215.40, 751,823.10 and 146,265.30 is: 219,397.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,215.40 : 751,823.10 = 146,265.30 : x
  2. Step 2: Convert to fraction form
    501,215.40/751,823.10 = 146,265.30/x
  3. Step 3: Cross multiply
    501,215.40x = 751,823.10 × 146,265.30
  4. Step 4: Simplify right side
    501,215.40x = 109,965,631,268.43
  5. Step 5: Solve for x
    x = 109,965,631,268.43/501,215.40
  6. Step 6: Final answer
    x = 219,397.95

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Similar ratio
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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.