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Finding the Fourth Proportional to 393,104.70, 589,657.05 and 183,152.70

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Solution

The fourth proportional to 393,104.70, 589,657.05 and 183,152.70 is: 274,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,104.70 : 589,657.05 = 183,152.70 : x
  2. Step 2: Convert to fraction form
    393,104.70/589,657.05 = 183,152.70/x
  3. Step 3: Cross multiply
    393,104.70x = 589,657.05 × 183,152.70
  4. Step 4: Simplify right side
    393,104.70x = 107,997,280,781.54
  5. Step 5: Solve for x
    x = 107,997,280,781.54/393,104.70
  6. Step 6: Final answer
    x = 274,729.05

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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.