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Finding the Fourth Proportional to 474,589.32, 711,831.24 and 119,603.28

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Solution

The fourth proportional to 474,589.32, 711,831.24 and 119,603.28 is: 179,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,589.32 : 711,831.24 = 119,603.28 : x
  2. Step 2: Convert to fraction form
    474,589.32/711,831.24 = 119,603.28/x
  3. Step 3: Cross multiply
    474,589.32x = 711,831.24 × 119,603.28
  4. Step 4: Simplify right side
    474,589.32x = 85,137,351,110.47
  5. Step 5: Solve for x
    x = 85,137,351,110.47/474,589.32
  6. Step 6: Final answer
    x = 179,391.63

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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.