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Finding the Fourth Proportional to 563,635.44, 845,008.48 and 279,423.84

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Solution

The fourth proportional to 563,635.44, 845,008.48 and 279,423.84 is: 418,915.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,635.44 : 845,008.48 = 279,423.84 : x
  2. Step 2: Convert to fraction form
    563,635.44/845,008.48 = 279,423.84/x
  3. Step 3: Cross multiply
    563,635.44x = 845,008.48 × 279,423.84
  4. Step 4: Simplify right side
    563,635.44x = 236,115,514,314.16
  5. Step 5: Solve for x
    x = 236,115,514,314.16/563,635.44
  6. Step 6: Final answer
    x = 418,915.31

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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.