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Finding the Fourth Proportional to 599,400.60, 898,985.70 and 178,690.20

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Solution

The fourth proportional to 599,400.60, 898,985.70 and 178,690.20 is: 268,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,400.60 : 898,985.70 = 178,690.20 : x
  2. Step 2: Convert to fraction form
    599,400.60/898,985.70 = 178,690.20/x
  3. Step 3: Cross multiply
    599,400.60x = 898,985.70 × 178,690.20
  4. Step 4: Simplify right side
    599,400.60x = 160,639,934,530.14
  5. Step 5: Solve for x
    x = 160,639,934,530.14/599,400.60
  6. Step 6: Final answer
    x = 268,000.96

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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.