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Finding the Fourth Proportional to 608,293.41, 839,108.21 and 353,616.45

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Solution

The fourth proportional to 608,293.41, 839,108.21 and 353,616.45 is: 487,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,293.41 : 839,108.21 = 353,616.45 : x
  2. Step 2: Convert to fraction form
    608,293.41/839,108.21 = 353,616.45/x
  3. Step 3: Cross multiply
    608,293.41x = 839,108.21 × 353,616.45
  4. Step 4: Simplify right side
    608,293.41x = 296,722,464,617.97
  5. Step 5: Solve for x
    x = 296,722,464,617.97/608,293.41
  6. Step 6: Final answer
    x = 487,794.97

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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.