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Finding the Fourth Proportional to 307,007.91, 458,353.21 and 234,581.77

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Solution

The fourth proportional to 307,007.91, 458,353.21 and 234,581.77 is: 350,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,007.91 : 458,353.21 = 234,581.77 : x
  2. Step 2: Convert to fraction form
    307,007.91/458,353.21 = 234,581.77/x
  3. Step 3: Cross multiply
    307,007.91x = 458,353.21 × 234,581.77
  4. Step 4: Simplify right side
    307,007.91x = 107,521,306,114.07
  5. Step 5: Solve for x
    x = 107,521,306,114.07/307,007.91
  6. Step 6: Final answer
    x = 350,223.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.