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Finding the Fourth Proportional to 363,240.14, 544,854.72 and 163,419.41

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Solution

The fourth proportional to 363,240.14, 544,854.72 and 163,419.41 is: 245,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,240.14 : 544,854.72 = 163,419.41 : x
  2. Step 2: Convert to fraction form
    363,240.14/544,854.72 = 163,419.41/x
  3. Step 3: Cross multiply
    363,240.14x = 544,854.72 × 163,419.41
  4. Step 4: Simplify right side
    363,240.14x = 89,039,834,153.84
  5. Step 5: Solve for x
    x = 89,039,834,153.84/363,240.14
  6. Step 6: Final answer
    x = 245,126.64

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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.