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Finding the Fourth Proportional to 578,367.16, 867,452.34 and 157,544.60

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Solution

The fourth proportional to 578,367.16, 867,452.34 and 157,544.60 is: 236,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,367.16 : 867,452.34 = 157,544.60 : x
  2. Step 2: Convert to fraction form
    578,367.16/867,452.34 = 157,544.60/x
  3. Step 3: Cross multiply
    578,367.16x = 867,452.34 × 157,544.60
  4. Step 4: Simplify right side
    578,367.16x = 136,662,431,924.36
  5. Step 5: Solve for x
    x = 136,662,431,924.36/578,367.16
  6. Step 6: Final answer
    x = 236,290.10

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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.