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Finding the Fourth Proportional to 455,600.16, 683,011.20 and 322,060.32

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Solution

The fourth proportional to 455,600.16, 683,011.20 and 322,060.32 is: 482,815.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,600.16 : 683,011.20 = 322,060.32 : x
  2. Step 2: Convert to fraction form
    455,600.16/683,011.20 = 322,060.32/x
  3. Step 3: Cross multiply
    455,600.16x = 683,011.20 × 322,060.32
  4. Step 4: Simplify right side
    455,600.16x = 219,970,805,635.58
  5. Step 5: Solve for x
    x = 219,970,805,635.58/455,600.16
  6. Step 6: Final answer
    x = 482,815.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.