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Finding the Fourth Proportional to 335,079.22, 502,594.20 and 98,440.42

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Solution

The fourth proportional to 335,079.22, 502,594.20 and 98,440.42 is: 147,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,079.22 : 502,594.20 = 98,440.42 : x
  2. Step 2: Convert to fraction form
    335,079.22/502,594.20 = 98,440.42/x
  3. Step 3: Cross multiply
    335,079.22x = 502,594.20 × 98,440.42
  4. Step 4: Simplify right side
    335,079.22x = 49,475,584,137.56
  5. Step 5: Solve for x
    x = 49,475,584,137.56/335,079.22
  6. Step 6: Final answer
    x = 147,653.39

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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.