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Finding the Fourth Proportional to 592,590.66, 888,978.33 and 193,138.76

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Solution

The fourth proportional to 592,590.66, 888,978.33 and 193,138.76 is: 289,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,590.66 : 888,978.33 = 193,138.76 : x
  2. Step 2: Convert to fraction form
    592,590.66/888,978.33 = 193,138.76/x
  3. Step 3: Cross multiply
    592,590.66x = 888,978.33 × 193,138.76
  4. Step 4: Simplify right side
    592,590.66x = 171,696,167,878.18
  5. Step 5: Solve for x
    x = 171,696,167,878.18/592,590.66
  6. Step 6: Final answer
    x = 289,738.23

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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.