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Finding the Fourth Proportional to 301,694.40, 452,671.20 and 153,950.40

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Solution

The fourth proportional to 301,694.40, 452,671.20 and 153,950.40 is: 230,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,694.40 : 452,671.20 = 153,950.40 : x
  2. Step 2: Convert to fraction form
    301,694.40/452,671.20 = 153,950.40/x
  3. Step 3: Cross multiply
    301,694.40x = 452,671.20 × 153,950.40
  4. Step 4: Simplify right side
    301,694.40x = 69,688,912,308.48
  5. Step 5: Solve for x
    x = 69,688,912,308.48/301,694.40
  6. Step 6: Final answer
    x = 230,991.73

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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.