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Finding the Fourth Proportional to 464,737.77, 640,976.55 and 336,158.57

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Solution

The fourth proportional to 464,737.77, 640,976.55 and 336,158.57 is: 463,637.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,737.77 : 640,976.55 = 336,158.57 : x
  2. Step 2: Convert to fraction form
    464,737.77/640,976.55 = 336,158.57/x
  3. Step 3: Cross multiply
    464,737.77x = 640,976.55 × 336,158.57
  4. Step 4: Simplify right side
    464,737.77x = 215,469,762,053.98
  5. Step 5: Solve for x
    x = 215,469,762,053.98/464,737.77
  6. Step 6: Final answer
    x = 463,637.29

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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.