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Finding the Fourth Proportional to 559,753.24, 772,459.62 and 305,104.36

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Solution

The fourth proportional to 559,753.24, 772,459.62 and 305,104.36 is: 421,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,753.24 : 772,459.62 = 305,104.36 : x
  2. Step 2: Convert to fraction form
    559,753.24/772,459.62 = 305,104.36/x
  3. Step 3: Cross multiply
    559,753.24x = 772,459.62 × 305,104.36
  4. Step 4: Simplify right side
    559,753.24x = 235,680,797,985.94
  5. Step 5: Solve for x
    x = 235,680,797,985.94/559,753.24
  6. Step 6: Final answer
    x = 421,044.10

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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.