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Finding the Fourth Proportional to 589,243.60, 884,172.60 and 256,853.20

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Solution

The fourth proportional to 589,243.60, 884,172.60 and 256,853.20 is: 385,413.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,243.60 : 884,172.60 = 256,853.20 : x
  2. Step 2: Convert to fraction form
    589,243.60/884,172.60 = 256,853.20/x
  3. Step 3: Cross multiply
    589,243.60x = 884,172.60 × 256,853.20
  4. Step 4: Simplify right side
    589,243.60x = 227,102,561,662.32
  5. Step 5: Solve for x
    x = 227,102,561,662.32/589,243.60
  6. Step 6: Final answer
    x = 385,413.71

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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.