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Finding the Fourth Proportional to 400,015.49, 600,023.84 and 163,358.19

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Solution

The fourth proportional to 400,015.49, 600,023.84 and 163,358.19 is: 245,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,015.49 : 600,023.84 = 163,358.19 : x
  2. Step 2: Convert to fraction form
    400,015.49/600,023.84 = 163,358.19/x
  3. Step 3: Cross multiply
    400,015.49x = 600,023.84 × 163,358.19
  4. Step 4: Simplify right side
    400,015.49x = 98,018,807,642.46
  5. Step 5: Solve for x
    x = 98,018,807,642.46/400,015.49
  6. Step 6: Final answer
    x = 245,037.53

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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.