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Finding the Fourth Proportional to 307,605.40, 460,574.34 and 159,550.36

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Solution

The fourth proportional to 307,605.40, 460,574.34 and 159,550.36 is: 238,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,605.40 : 460,574.34 = 159,550.36 : x
  2. Step 2: Convert to fraction form
    307,605.40/460,574.34 = 159,550.36/x
  3. Step 3: Cross multiply
    307,605.40x = 460,574.34 × 159,550.36
  4. Step 4: Simplify right side
    307,605.40x = 73,484,801,753.76
  5. Step 5: Solve for x
    x = 73,484,801,753.76/307,605.40
  6. Step 6: Final answer
    x = 238,893.08

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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.