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Finding the Fourth Proportional to 592,876.80, 889,315.20 and 193,530.60

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Solution

The fourth proportional to 592,876.80, 889,315.20 and 193,530.60 is: 290,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,876.80 : 889,315.20 = 193,530.60 : x
  2. Step 2: Convert to fraction form
    592,876.80/889,315.20 = 193,530.60/x
  3. Step 3: Cross multiply
    592,876.80x = 889,315.20 × 193,530.60
  4. Step 4: Simplify right side
    592,876.80x = 172,109,704,245.12
  5. Step 5: Solve for x
    x = 172,109,704,245.12/592,876.80
  6. Step 6: Final answer
    x = 290,295.90

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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.