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Finding the Fourth Proportional to 399,568.32, 599,588.93 and 147,026.14

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Solution

The fourth proportional to 399,568.32, 599,588.93 and 147,026.14 is: 220,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,568.32 : 599,588.93 = 147,026.14 : x
  2. Step 2: Convert to fraction form
    399,568.32/599,588.93 = 147,026.14/x
  3. Step 3: Cross multiply
    399,568.32x = 599,588.93 × 147,026.14
  4. Step 4: Simplify right side
    399,568.32x = 88,155,245,964.63
  5. Step 5: Solve for x
    x = 88,155,245,964.63/399,568.32
  6. Step 6: Final answer
    x = 220,626.21

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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.