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Finding the Fourth Proportional to 559,118.55, 771,592.39 and 304,469.54

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Solution

The fourth proportional to 559,118.55, 771,592.39 and 304,469.54 is: 420,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,118.55 : 771,592.39 = 304,469.54 : x
  2. Step 2: Convert to fraction form
    559,118.55/771,592.39 = 304,469.54/x
  3. Step 3: Cross multiply
    559,118.55x = 771,592.39 × 304,469.54
  4. Step 4: Simplify right side
    559,118.55x = 234,926,375,431.67
  5. Step 5: Solve for x
    x = 234,926,375,431.67/559,118.55
  6. Step 6: Final answer
    x = 420,172.74

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1.5x scale

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.