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Finding the Fourth Proportional to 609,001.70, 913,528.47 and 188,285.54

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Solution

The fourth proportional to 609,001.70, 913,528.47 and 188,285.54 is: 282,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,001.70 : 913,528.47 = 188,285.54 : x
  2. Step 2: Convert to fraction form
    609,001.70/913,528.47 = 188,285.54/x
  3. Step 3: Cross multiply
    609,001.70x = 913,528.47 × 188,285.54
  4. Step 4: Simplify right side
    609,001.70x = 172,004,201,279.32
  5. Step 5: Solve for x
    x = 172,004,201,279.32/609,001.70
  6. Step 6: Final answer
    x = 282,436.32

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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.