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Finding the Fourth Proportional to 228,701.10, 320,648.10 and 228,701.10

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Solution

The fourth proportional to 228,701.10, 320,648.10 and 228,701.10 is: 320,648.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,701.10 : 320,648.10 = 228,701.10 : x
  2. Step 2: Convert to fraction form
    228,701.10/320,648.10 = 228,701.10/x
  3. Step 3: Cross multiply
    228,701.10x = 320,648.10 × 228,701.10
  4. Step 4: Simplify right side
    228,701.10x = 73,332,573,182.91
  5. Step 5: Solve for x
    x = 73,332,573,182.91/228,701.10
  6. Step 6: Final answer
    x = 320,648.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.