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Finding the Fourth Proportional to 373,364.98, 515,197.83 and 228,243.76

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Solution

The fourth proportional to 373,364.98, 515,197.83 and 228,243.76 is: 314,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,364.98 : 515,197.83 = 228,243.76 : x
  2. Step 2: Convert to fraction form
    373,364.98/515,197.83 = 228,243.76/x
  3. Step 3: Cross multiply
    373,364.98x = 515,197.83 × 228,243.76
  4. Step 4: Simplify right side
    373,364.98x = 117,590,689,863.04
  5. Step 5: Solve for x
    x = 117,590,689,863.04/373,364.98
  6. Step 6: Final answer
    x = 314,948.36

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1.5x scale

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.