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Finding the Fourth Proportional to 592,887.94, 818,184.41 and 320,955.76

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Solution

The fourth proportional to 592,887.94, 818,184.41 and 320,955.76 is: 442,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,887.94 : 818,184.41 = 320,955.76 : x
  2. Step 2: Convert to fraction form
    592,887.94/818,184.41 = 320,955.76/x
  3. Step 3: Cross multiply
    592,887.94x = 818,184.41 × 320,955.76
  4. Step 4: Simplify right side
    592,887.94x = 262,600,995,481.46
  5. Step 5: Solve for x
    x = 262,600,995,481.46/592,887.94
  6. Step 6: Final answer
    x = 442,918.43

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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.