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Finding the Fourth Proportional to 605,802.64, 836,131.70 and 360,930.84

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Solution

The fourth proportional to 605,802.64, 836,131.70 and 360,930.84 is: 498,158.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,802.64 : 836,131.70 = 360,930.84 : x
  2. Step 2: Convert to fraction form
    605,802.64/836,131.70 = 360,930.84/x
  3. Step 3: Cross multiply
    605,802.64x = 836,131.70 × 360,930.84
  4. Step 4: Simplify right side
    605,802.64x = 301,785,716,831.63
  5. Step 5: Solve for x
    x = 301,785,716,831.63/605,802.64
  6. Step 6: Final answer
    x = 498,158.47

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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.