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Finding the Fourth Proportional to 400,272.06, 600,404.60 and 163,448.52

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Solution

The fourth proportional to 400,272.06, 600,404.60 and 163,448.52 is: 245,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,272.06 : 600,404.60 = 163,448.52 : x
  2. Step 2: Convert to fraction form
    400,272.06/600,404.60 = 163,448.52/x
  3. Step 3: Cross multiply
    400,272.06x = 600,404.60 × 163,448.52
  4. Step 4: Simplify right side
    400,272.06x = 98,135,241,428.30
  5. Step 5: Solve for x
    x = 98,135,241,428.30/400,272.06
  6. Step 6: Final answer
    x = 245,171.35

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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.