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Finding the Fourth Proportional to 592,000.40, 888,000.60 and 192,678.80

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Solution

The fourth proportional to 592,000.40, 888,000.60 and 192,678.80 is: 289,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,000.40 : 888,000.60 = 192,678.80 : x
  2. Step 2: Convert to fraction form
    592,000.40/888,000.60 = 192,678.80/x
  3. Step 3: Cross multiply
    592,000.40x = 888,000.60 × 192,678.80
  4. Step 4: Simplify right side
    592,000.40x = 171,098,890,007.28
  5. Step 5: Solve for x
    x = 171,098,890,007.28/592,000.40
  6. Step 6: Final answer
    x = 289,018.20

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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.