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Finding the Fourth Proportional to 602,891.10, 904,274.28 and 303,249.42

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Solution

The fourth proportional to 602,891.10, 904,274.28 and 303,249.42 is: 454,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,891.10 : 904,274.28 = 303,249.42 : x
  2. Step 2: Convert to fraction form
    602,891.10/904,274.28 = 303,249.42/x
  3. Step 3: Cross multiply
    602,891.10x = 904,274.28 × 303,249.42
  4. Step 4: Simplify right side
    602,891.10x = 274,220,650,930.92
  5. Step 5: Solve for x
    x = 274,220,650,930.92/602,891.10
  6. Step 6: Final answer
    x = 454,842.76

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Double scale
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Similar ratio
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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.