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Finding the Fourth Proportional to 400,010.05, 600,015.65 and 163,352.73

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Solution

The fourth proportional to 400,010.05, 600,015.65 and 163,352.73 is: 245,029.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,010.05 : 600,015.65 = 163,352.73 : x
  2. Step 2: Convert to fraction form
    400,010.05/600,015.65 = 163,352.73/x
  3. Step 3: Cross multiply
    400,010.05x = 600,015.65 × 163,352.73
  4. Step 4: Simplify right side
    400,010.05x = 98,014,192,970.19
  5. Step 5: Solve for x
    x = 98,014,192,970.19/400,010.05
  6. Step 6: Final answer
    x = 245,029.33

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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.