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Finding the Fourth Proportional to 283,396.32, 425,242.71 and 183,530.61

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Solution

The fourth proportional to 283,396.32, 425,242.71 and 183,530.61 is: 275,391.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,396.32 : 425,242.71 = 183,530.61 : x
  2. Step 2: Convert to fraction form
    283,396.32/425,242.71 = 183,530.61/x
  3. Step 3: Cross multiply
    283,396.32x = 425,242.71 × 183,530.61
  4. Step 4: Simplify right side
    283,396.32x = 78,045,053,964.35
  5. Step 5: Solve for x
    x = 78,045,053,964.35/283,396.32
  6. Step 6: Final answer
    x = 275,391.91

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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.