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Finding the Fourth Proportional to 616,257.39, 850,429.35 and 344,372.12

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Solution

The fourth proportional to 616,257.39, 850,429.35 and 344,372.12 is: 475,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,257.39 : 850,429.35 = 344,372.12 : x
  2. Step 2: Convert to fraction form
    616,257.39/850,429.35 = 344,372.12/x
  3. Step 3: Cross multiply
    616,257.39x = 850,429.35 × 344,372.12
  4. Step 4: Simplify right side
    616,257.39x = 292,864,153,917.58
  5. Step 5: Solve for x
    x = 292,864,153,917.58/616,257.39
  6. Step 6: Final answer
    x = 475,230.25

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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.