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Finding the Fourth Proportional to 354,249.84, 531,259.20 and 117,528.96

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Solution

The fourth proportional to 354,249.84, 531,259.20 and 117,528.96 is: 176,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,249.84 : 531,259.20 = 117,528.96 : x
  2. Step 2: Convert to fraction form
    354,249.84/531,259.20 = 117,528.96/x
  3. Step 3: Cross multiply
    354,249.84x = 531,259.20 × 117,528.96
  4. Step 4: Simplify right side
    354,249.84x = 62,438,341,266.43
  5. Step 5: Solve for x
    x = 62,438,341,266.43/354,249.84
  6. Step 6: Final answer
    x = 176,255.10

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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.