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Finding the Fourth Proportional to 463,314.40, 695,025.60 and 147,803.20

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Solution

The fourth proportional to 463,314.40, 695,025.60 and 147,803.20 is: 221,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,314.40 : 695,025.60 = 147,803.20 : x
  2. Step 2: Convert to fraction form
    463,314.40/695,025.60 = 147,803.20/x
  3. Step 3: Cross multiply
    463,314.40x = 695,025.60 × 147,803.20
  4. Step 4: Simplify right side
    463,314.40x = 102,727,007,761.92
  5. Step 5: Solve for x
    x = 102,727,007,761.92/463,314.40
  6. Step 6: Final answer
    x = 221,722.03

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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.