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Finding the Fourth Proportional to 262,641.26, 393,330.60 and 149,980.39

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Solution

The fourth proportional to 262,641.26, 393,330.60 and 149,980.39 is: 224,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,641.26 : 393,330.60 = 149,980.39 : x
  2. Step 2: Convert to fraction form
    262,641.26/393,330.60 = 149,980.39/x
  3. Step 3: Cross multiply
    262,641.26x = 393,330.60 × 149,980.39
  4. Step 4: Simplify right side
    262,641.26x = 58,991,874,820.28
  5. Step 5: Solve for x
    x = 58,991,874,820.28/262,641.26
  6. Step 6: Final answer
    x = 224,610.08

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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.