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Finding the Fourth Proportional to 388,074.36, 582,111.68 and 174,592.96

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Solution

The fourth proportional to 388,074.36, 582,111.68 and 174,592.96 is: 261,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,074.36 : 582,111.68 = 174,592.96 : x
  2. Step 2: Convert to fraction form
    388,074.36/582,111.68 = 174,592.96/x
  3. Step 3: Cross multiply
    388,074.36x = 582,111.68 × 174,592.96
  4. Step 4: Simplify right side
    388,074.36x = 101,632,601,261.77
  5. Step 5: Solve for x
    x = 101,632,601,261.77/388,074.36
  6. Step 6: Final answer
    x = 261,889.50

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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.