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Finding the Fourth Proportional to 377,037.44, 520,321.60 and 207,275.84

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Solution

The fourth proportional to 377,037.44, 520,321.60 and 207,275.84 is: 286,046.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,037.44 : 520,321.60 = 207,275.84 : x
  2. Step 2: Convert to fraction form
    377,037.44/520,321.60 = 207,275.84/x
  3. Step 3: Cross multiply
    377,037.44x = 520,321.60 × 207,275.84
  4. Step 4: Simplify right side
    377,037.44x = 107,850,096,710.14
  5. Step 5: Solve for x
    x = 107,850,096,710.14/377,037.44
  6. Step 6: Final answer
    x = 286,046.12

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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.