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Finding the Fourth Proportional to 469,003.40, 703,500 and 114,017.79

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Solution

The fourth proportional to 469,003.40, 703,500 and 114,017.79 is: 171,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,003.40 : 703,500 = 114,017.79 : x
  2. Step 2: Convert to fraction form
    469,003.40/703,500 = 114,017.79/x
  3. Step 3: Cross multiply
    469,003.40x = 703,500 × 114,017.79
  4. Step 4: Simplify right side
    469,003.40x = 80,211,515,265
  5. Step 5: Solve for x
    x = 80,211,515,265/469,003.40
  6. Step 6: Final answer
    x = 171,025.45

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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.