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Finding the Fourth Proportional to 388,305.10, 582,526.05 and 160,600.06

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Solution

The fourth proportional to 388,305.10, 582,526.05 and 160,600.06 is: 240,928.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,305.10 : 582,526.05 = 160,600.06 : x
  2. Step 2: Convert to fraction form
    388,305.10/582,526.05 = 160,600.06/x
  3. Step 3: Cross multiply
    388,305.10x = 582,526.05 × 160,600.06
  4. Step 4: Simplify right side
    388,305.10x = 93,553,718,581.56
  5. Step 5: Solve for x
    x = 93,553,718,581.56/388,305.10
  6. Step 6: Final answer
    x = 240,928.38

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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.