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Finding the Fourth Proportional to 363,239.19, 544,853.32 and 163,418.47

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Solution

The fourth proportional to 363,239.19, 544,853.32 and 163,418.47 is: 245,125.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,239.19 : 544,853.32 = 163,418.47 : x
  2. Step 2: Convert to fraction form
    363,239.19/544,853.32 = 163,418.47/x
  3. Step 3: Cross multiply
    363,239.19x = 544,853.32 × 163,418.47
  4. Step 4: Simplify right side
    363,239.19x = 89,039,094,158.14
  5. Step 5: Solve for x
    x = 89,039,094,158.14/363,239.19
  6. Step 6: Final answer
    x = 245,125.24

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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.