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Finding the Fourth Proportional to 341,951.96, 472,025.40 and 306,078.68

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Solution

The fourth proportional to 341,951.96, 472,025.40 and 306,078.68 is: 422,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,951.96 : 472,025.40 = 306,078.68 : x
  2. Step 2: Convert to fraction form
    341,951.96/472,025.40 = 306,078.68/x
  3. Step 3: Cross multiply
    341,951.96x = 472,025.40 × 306,078.68
  4. Step 4: Simplify right side
    341,951.96x = 144,476,911,358.47
  5. Step 5: Solve for x
    x = 144,476,911,358.47/341,951.96
  6. Step 6: Final answer
    x = 422,506.46

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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.