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Finding the Fourth Proportional to 592,955.52, 818,272.92 and 321,016.44

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Solution

The fourth proportional to 592,955.52, 818,272.92 and 321,016.44 is: 442,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,955.52 : 818,272.92 = 321,016.44 : x
  2. Step 2: Convert to fraction form
    592,955.52/818,272.92 = 321,016.44/x
  3. Step 3: Cross multiply
    592,955.52x = 818,272.92 × 321,016.44
  4. Step 4: Simplify right side
    592,955.52x = 262,679,059,726.81
  5. Step 5: Solve for x
    x = 262,679,059,726.81/592,955.52
  6. Step 6: Final answer
    x = 442,999.60

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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.