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Finding the Fourth Proportional to 884,910.84, 1,327,187.70 and 253,655.16

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Solution

The fourth proportional to 884,910.84, 1,327,187.70 and 253,655.16 is: 380,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,910.84 : 1,327,187.70 = 253,655.16 : x
  2. Step 2: Convert to fraction form
    884,910.84/1,327,187.70 = 253,655.16/x
  3. Step 3: Cross multiply
    884,910.84x = 1,327,187.70 × 253,655.16
  4. Step 4: Simplify right side
    884,910.84x = 336,648,008,393.53
  5. Step 5: Solve for x
    x = 336,648,008,393.53/884,910.84
  6. Step 6: Final answer
    x = 380,431.56

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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.