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Finding the Fourth Proportional to 522,248.58, 720,923.49 and 352,712.34

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Solution

The fourth proportional to 522,248.58, 720,923.49 and 352,712.34 is: 486,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,248.58 : 720,923.49 = 352,712.34 : x
  2. Step 2: Convert to fraction form
    522,248.58/720,923.49 = 352,712.34/x
  3. Step 3: Cross multiply
    522,248.58x = 720,923.49 × 352,712.34
  4. Step 4: Simplify right side
    522,248.58x = 254,278,611,118.87
  5. Step 5: Solve for x
    x = 254,278,611,118.87/522,248.58
  6. Step 6: Final answer
    x = 486,891.91

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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.