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Finding the Fourth Proportional to 481,348.58, 722,039.61 and 228,498.81

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Solution

The fourth proportional to 481,348.58, 722,039.61 and 228,498.81 is: 342,756.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,348.58 : 722,039.61 = 228,498.81 : x
  2. Step 2: Convert to fraction form
    481,348.58/722,039.61 = 228,498.81/x
  3. Step 3: Cross multiply
    481,348.58x = 722,039.61 × 228,498.81
  4. Step 4: Simplify right side
    481,348.58x = 164,985,191,657.86
  5. Step 5: Solve for x
    x = 164,985,191,657.86/481,348.58
  6. Step 6: Final answer
    x = 342,756.17

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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.