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Finding the Fourth Proportional to 455,546.94, 683,322.84 and 298,768.20

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Solution

The fourth proportional to 455,546.94, 683,322.84 and 298,768.20 is: 448,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,546.94 : 683,322.84 = 298,768.20 : x
  2. Step 2: Convert to fraction form
    455,546.94/683,322.84 = 298,768.20/x
  3. Step 3: Cross multiply
    455,546.94x = 683,322.84 × 298,768.20
  4. Step 4: Simplify right side
    455,546.94x = 204,155,134,925.69
  5. Step 5: Solve for x
    x = 204,155,134,925.69/455,546.94
  6. Step 6: Final answer
    x = 448,153.89

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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.