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Finding the Fourth Proportional to 472,388.96, 708,580.20 and 117,402.41

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Solution

The fourth proportional to 472,388.96, 708,580.20 and 117,402.41 is: 176,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,388.96 : 708,580.20 = 117,402.41 : x
  2. Step 2: Convert to fraction form
    472,388.96/708,580.20 = 117,402.41/x
  3. Step 3: Cross multiply
    472,388.96x = 708,580.20 × 117,402.41
  4. Step 4: Simplify right side
    472,388.96x = 83,189,025,369.99
  5. Step 5: Solve for x
    x = 83,189,025,369.99/472,388.96
  6. Step 6: Final answer
    x = 176,102.81

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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.