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Finding the Fourth Proportional to 353,454.48, 530,181.72 and 100,740.24

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Solution

The fourth proportional to 353,454.48, 530,181.72 and 100,740.24 is: 151,110.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,454.48 : 530,181.72 = 100,740.24 : x
  2. Step 2: Convert to fraction form
    353,454.48/530,181.72 = 100,740.24/x
  3. Step 3: Cross multiply
    353,454.48x = 530,181.72 × 100,740.24
  4. Step 4: Simplify right side
    353,454.48x = 53,410,633,716.41
  5. Step 5: Solve for x
    x = 53,410,633,716.41/353,454.48
  6. Step 6: Final answer
    x = 151,110.36

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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.