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Finding the Fourth Proportional to 608,999.70, 913,525.47 and 188,283.54

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Solution

The fourth proportional to 608,999.70, 913,525.47 and 188,283.54 is: 282,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,999.70 : 913,525.47 = 188,283.54 : x
  2. Step 2: Convert to fraction form
    608,999.70/913,525.47 = 188,283.54/x
  3. Step 3: Cross multiply
    608,999.70x = 913,525.47 × 188,283.54
  4. Step 4: Simplify right side
    608,999.70x = 172,001,809,371.76
  5. Step 5: Solve for x
    x = 172,001,809,371.76/608,999.70
  6. Step 6: Final answer
    x = 282,433.32

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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.