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Finding the Fourth Proportional to 343,512.87, 473,884.53 and 228,844.82

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Solution

The fourth proportional to 343,512.87, 473,884.53 and 228,844.82 is: 315,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,512.87 : 473,884.53 = 228,844.82 : x
  2. Step 2: Convert to fraction form
    343,512.87/473,884.53 = 228,844.82/x
  3. Step 3: Cross multiply
    343,512.87x = 473,884.53 × 228,844.82
  4. Step 4: Simplify right side
    343,512.87x = 108,446,017,599.21
  5. Step 5: Solve for x
    x = 108,446,017,599.21/343,512.87
  6. Step 6: Final answer
    x = 315,697.10

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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.