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Finding the Fourth Proportional to 592,780.75, 889,337.61 and 238,043.88

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Solution

The fourth proportional to 592,780.75, 889,337.61 and 238,043.88 is: 357,132.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,780.75 : 889,337.61 = 238,043.88 : x
  2. Step 2: Convert to fraction form
    592,780.75/889,337.61 = 238,043.88/x
  3. Step 3: Cross multiply
    592,780.75x = 889,337.61 × 238,043.88
  4. Step 4: Simplify right side
    592,780.75x = 211,701,375,314.33
  5. Step 5: Solve for x
    x = 211,701,375,314.33/592,780.75
  6. Step 6: Final answer
    x = 357,132.68

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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.