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Finding the Fourth Proportional to 388,299.60, 582,517.80 and 160,594.56

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Solution

The fourth proportional to 388,299.60, 582,517.80 and 160,594.56 is: 240,920.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,299.60 : 582,517.80 = 160,594.56 : x
  2. Step 2: Convert to fraction form
    388,299.60/582,517.80 = 160,594.56/x
  3. Step 3: Cross multiply
    388,299.60x = 582,517.80 × 160,594.56
  4. Step 4: Simplify right side
    388,299.60x = 93,549,189,783.17
  5. Step 5: Solve for x
    x = 93,549,189,783.17/388,299.60
  6. Step 6: Final answer
    x = 240,920.13

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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.