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Finding the Fourth Proportional to 334,892.16, 502,339.44 and 82,174.32

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Solution

The fourth proportional to 334,892.16, 502,339.44 and 82,174.32 is: 123,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,892.16 : 502,339.44 = 82,174.32 : x
  2. Step 2: Convert to fraction form
    334,892.16/502,339.44 = 82,174.32/x
  3. Step 3: Cross multiply
    334,892.16x = 502,339.44 × 82,174.32
  4. Step 4: Simplify right side
    334,892.16x = 41,279,401,891.18
  5. Step 5: Solve for x
    x = 41,279,401,891.18/334,892.16
  6. Step 6: Final answer
    x = 123,261.77

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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.