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Finding the Fourth Proportional to 616,219.14, 850,376.55 and 344,333.88

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Solution

The fourth proportional to 616,219.14, 850,376.55 and 344,333.88 is: 475,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,219.14 : 850,376.55 = 344,333.88 : x
  2. Step 2: Convert to fraction form
    616,219.14/850,376.55 = 344,333.88/x
  3. Step 3: Cross multiply
    616,219.14x = 850,376.55 × 344,333.88
  4. Step 4: Simplify right side
    616,219.14x = 292,813,456,922.51
  5. Step 5: Solve for x
    x = 292,813,456,922.51/616,219.14
  6. Step 6: Final answer
    x = 475,177.48

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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.