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Finding the Fourth Proportional to 303,366.74, 455,050.10 and 284,667.90

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Solution

The fourth proportional to 303,366.74, 455,050.10 and 284,667.90 is: 427,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,366.74 : 455,050.10 = 284,667.90 : x
  2. Step 2: Convert to fraction form
    303,366.74/455,050.10 = 284,667.90/x
  3. Step 3: Cross multiply
    303,366.74x = 455,050.10 × 284,667.90
  4. Step 4: Simplify right side
    303,366.74x = 129,538,156,361.79
  5. Step 5: Solve for x
    x = 129,538,156,361.79/303,366.74
  6. Step 6: Final answer
    x = 427,001.84

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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.