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Finding the Fourth Proportional to 335,127.39, 502,728.03 and 98,488.50

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Solution

The fourth proportional to 335,127.39, 502,728.03 and 98,488.50 is: 147,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,127.39 : 502,728.03 = 98,488.50 : x
  2. Step 2: Convert to fraction form
    335,127.39/502,728.03 = 98,488.50/x
  3. Step 3: Cross multiply
    335,127.39x = 502,728.03 × 98,488.50
  4. Step 4: Simplify right side
    335,127.39x = 49,512,929,582.66
  5. Step 5: Solve for x
    x = 49,512,929,582.66/335,127.39
  6. Step 6: Final answer
    x = 147,743.61

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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.