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Finding the Fourth Proportional to 522,274.33, 720,959.04 and 352,738.09

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Solution

The fourth proportional to 522,274.33, 720,959.04 and 352,738.09 is: 486,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,274.33 : 720,959.04 = 352,738.09 : x
  2. Step 2: Convert to fraction form
    522,274.33/720,959.04 = 352,738.09/x
  3. Step 3: Cross multiply
    522,274.33x = 720,959.04 × 352,738.09
  4. Step 4: Simplify right side
    522,274.33x = 254,309,714,737.83
  5. Step 5: Solve for x
    x = 254,309,714,737.83/522,274.33
  6. Step 6: Final answer
    x = 486,927.46

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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.