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Finding the Fourth Proportional to 397,471.72, 595,210.53 and 237,448.94

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Solution

The fourth proportional to 397,471.72, 595,210.53 and 237,448.94 is: 355,577.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,471.72 : 595,210.53 = 237,448.94 : x
  2. Step 2: Convert to fraction form
    397,471.72/595,210.53 = 237,448.94/x
  3. Step 3: Cross multiply
    397,471.72x = 595,210.53 × 237,448.94
  4. Step 4: Simplify right side
    397,471.72x = 141,332,109,425.34
  5. Step 5: Solve for x
    x = 141,332,109,425.34/397,471.72
  6. Step 6: Final answer
    x = 355,577.77

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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.