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Finding the Fourth Proportional to 633,618.38, 950,428.79 and 153,844.16

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Solution

The fourth proportional to 633,618.38, 950,428.79 and 153,844.16 is: 230,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,618.38 : 950,428.79 = 153,844.16 : x
  2. Step 2: Convert to fraction form
    633,618.38/950,428.79 = 153,844.16/x
  3. Step 3: Cross multiply
    633,618.38x = 950,428.79 × 153,844.16
  4. Step 4: Simplify right side
    633,618.38x = 146,217,913,316.00
  5. Step 5: Solve for x
    x = 146,217,913,316.00/633,618.38
  6. Step 6: Final answer
    x = 230,766.53

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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.