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Finding the Fourth Proportional to 616,184.40, 850,304.04 and 344,198.32

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Solution

The fourth proportional to 616,184.40, 850,304.04 and 344,198.32 is: 474,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,184.40 : 850,304.04 = 344,198.32 : x
  2. Step 2: Convert to fraction form
    616,184.40/850,304.04 = 344,198.32/x
  3. Step 3: Cross multiply
    616,184.40x = 850,304.04 × 344,198.32
  4. Step 4: Simplify right side
    616,184.40x = 292,673,222,057.21
  5. Step 5: Solve for x
    x = 292,673,222,057.21/616,184.40
  6. Step 6: Final answer
    x = 474,976.68

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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.