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Finding the Fourth Proportional to 592,838.19, 889,398.77 and 193,479.71

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Solution

The fourth proportional to 592,838.19, 889,398.77 and 193,479.71 is: 290,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,838.19 : 889,398.77 = 193,479.71 : x
  2. Step 2: Convert to fraction form
    592,838.19/889,398.77 = 193,479.71/x
  3. Step 3: Cross multiply
    592,838.19x = 889,398.77 × 193,479.71
  4. Step 4: Simplify right side
    592,838.19x = 172,080,610,679.56
  5. Step 5: Solve for x
    x = 172,080,610,679.56/592,838.19
  6. Step 6: Final answer
    x = 290,265.73

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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.