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Finding the Fourth Proportional to 298,282.08, 447,424.04 and 73,642.54

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Solution

The fourth proportional to 298,282.08, 447,424.04 and 73,642.54 is: 110,464.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,282.08 : 447,424.04 = 73,642.54 : x
  2. Step 2: Convert to fraction form
    298,282.08/447,424.04 = 73,642.54/x
  3. Step 3: Cross multiply
    298,282.08x = 447,424.04 × 73,642.54
  4. Step 4: Simplify right side
    298,282.08x = 32,949,442,762.66
  5. Step 5: Solve for x
    x = 32,949,442,762.66/298,282.08
  6. Step 6: Final answer
    x = 110,464.04

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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.