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Finding the Fourth Proportional to 342,914.62, 473,386.27 and 228,383.86

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Solution

The fourth proportional to 342,914.62, 473,386.27 and 228,383.86 is: 315,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,914.62 : 473,386.27 = 228,383.86 : x
  2. Step 2: Convert to fraction form
    342,914.62/473,386.27 = 228,383.86/x
  3. Step 3: Cross multiply
    342,914.62x = 473,386.27 × 228,383.86
  4. Step 4: Simplify right side
    342,914.62x = 108,113,781,288.22
  5. Step 5: Solve for x
    x = 108,113,781,288.22/342,914.62
  6. Step 6: Final answer
    x = 315,279.01

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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.