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Finding the Fourth Proportional to 649,165.46, 895,831.80 and 362,687.70

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Solution

The fourth proportional to 649,165.46, 895,831.80 and 362,687.70 is: 500,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,165.46 : 895,831.80 = 362,687.70 : x
  2. Step 2: Convert to fraction form
    649,165.46/895,831.80 = 362,687.70/x
  3. Step 3: Cross multiply
    649,165.46x = 895,831.80 × 362,687.70
  4. Step 4: Simplify right side
    649,165.46x = 324,907,175,128.86
  5. Step 5: Solve for x
    x = 324,907,175,128.86/649,165.46
  6. Step 6: Final answer
    x = 500,499.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.