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Finding the Fourth Proportional to 262,641.33, 393,330.69 and 149,980.46

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Solution

The fourth proportional to 262,641.33, 393,330.69 and 149,980.46 is: 224,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,641.33 : 393,330.69 = 149,980.46 : x
  2. Step 2: Convert to fraction form
    262,641.33/393,330.69 = 149,980.46/x
  3. Step 3: Cross multiply
    262,641.33x = 393,330.69 × 149,980.46
  4. Step 4: Simplify right side
    262,641.33x = 58,991,915,851.66
  5. Step 5: Solve for x
    x = 58,991,915,851.66/262,641.33
  6. Step 6: Final answer
    x = 224,610.18

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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.