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Finding the Fourth Proportional to 563,374.46, 777,726.16 and 321,610.31

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Solution

The fourth proportional to 563,374.46, 777,726.16 and 321,610.31 is: 443,976.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,374.46 : 777,726.16 = 321,610.31 : x
  2. Step 2: Convert to fraction form
    563,374.46/777,726.16 = 321,610.31/x
  3. Step 3: Cross multiply
    563,374.46x = 777,726.16 × 321,610.31
  4. Step 4: Simplify right side
    563,374.46x = 250,124,754,011.24
  5. Step 5: Solve for x
    x = 250,124,754,011.24/563,374.46
  6. Step 6: Final answer
    x = 443,976.03

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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.