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Finding the Fourth Proportional to 592,892.80, 889,339.20 and 193,546.60

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Solution

The fourth proportional to 592,892.80, 889,339.20 and 193,546.60 is: 290,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,892.80 : 889,339.20 = 193,546.60 : x
  2. Step 2: Convert to fraction form
    592,892.80/889,339.20 = 193,546.60/x
  3. Step 3: Cross multiply
    592,892.80x = 889,339.20 × 193,546.60
  4. Step 4: Simplify right side
    592,892.80x = 172,128,578,406.72
  5. Step 5: Solve for x
    x = 172,128,578,406.72/592,892.80
  6. Step 6: Final answer
    x = 290,319.90

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Similar ratio
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1.5x scale

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.