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Finding the Fourth Proportional to 592,458.78, 888,780.64 and 193,006.74

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Solution

The fourth proportional to 592,458.78, 888,780.64 and 193,006.74 is: 289,540.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,458.78 : 888,780.64 = 193,006.74 : x
  2. Step 2: Convert to fraction form
    592,458.78/888,780.64 = 193,006.74/x
  3. Step 3: Cross multiply
    592,458.78x = 888,780.64 × 193,006.74
  4. Step 4: Simplify right side
    592,458.78x = 171,540,653,901.51
  5. Step 5: Solve for x
    x = 171,540,653,901.51/592,458.78
  6. Step 6: Final answer
    x = 289,540.23

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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.