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Finding the Fourth Proportional to 492,600.47, 738,671.07 and 255,879.59

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Solution

The fourth proportional to 492,600.47, 738,671.07 and 255,879.59 is: 383,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,600.47 : 738,671.07 = 255,879.59 : x
  2. Step 2: Convert to fraction form
    492,600.47/738,671.07 = 255,879.59/x
  3. Step 3: Cross multiply
    492,600.47x = 738,671.07 × 255,879.59
  4. Step 4: Simplify right side
    492,600.47x = 189,010,850,536.46
  5. Step 5: Solve for x
    x = 189,010,850,536.46/492,600.47
  6. Step 6: Final answer
    x = 383,700.10

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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.