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Finding the Fourth Proportional to 262,641.76, 393,331.35 and 149,980.89

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Solution

The fourth proportional to 262,641.76, 393,331.35 and 149,980.89 is: 224,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,641.76 : 393,331.35 = 149,980.89 : x
  2. Step 2: Convert to fraction form
    262,641.76/393,331.35 = 149,980.89/x
  3. Step 3: Cross multiply
    262,641.76x = 393,331.35 × 149,980.89
  4. Step 4: Simplify right side
    262,641.76x = 58,992,183,971.24
  5. Step 5: Solve for x
    x = 58,992,183,971.24/262,641.76
  6. Step 6: Final answer
    x = 224,610.83

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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.