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Finding the Fourth Proportional to 303,398.52, 455,097.82 and 284,699.66

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Solution

The fourth proportional to 303,398.52, 455,097.82 and 284,699.66 is: 427,049.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,398.52 : 455,097.82 = 284,699.66 : x
  2. Step 2: Convert to fraction form
    303,398.52/455,097.82 = 284,699.66/x
  3. Step 3: Cross multiply
    303,398.52x = 455,097.82 × 284,699.66
  4. Step 4: Simplify right side
    303,398.52x = 129,566,194,620.74
  5. Step 5: Solve for x
    x = 129,566,194,620.74/303,398.52
  6. Step 6: Final answer
    x = 427,049.53

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1.5x scale

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.