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Finding the Fourth Proportional to 592,781, 818,037.82 and 324,509

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Solution

The fourth proportional to 592,781, 818,037.82 and 324,509 is: 447,822.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,781 : 818,037.82 = 324,509 : x
  2. Step 2: Convert to fraction form
    592,781/818,037.82 = 324,509/x
  3. Step 3: Cross multiply
    592,781x = 818,037.82 × 324,509
  4. Step 4: Simplify right side
    592,781x = 265,460,634,930.38
  5. Step 5: Solve for x
    x = 265,460,634,930.38/592,781
  6. Step 6: Final answer
    x = 447,822.44

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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.