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Finding the Fourth Proportional to 301,616.80, 452,410.80 and 101,917.60

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Solution

The fourth proportional to 301,616.80, 452,410.80 and 101,917.60 is: 152,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,616.80 : 452,410.80 = 101,917.60 : x
  2. Step 2: Convert to fraction form
    301,616.80/452,410.80 = 101,917.60/x
  3. Step 3: Cross multiply
    301,616.80x = 452,410.80 × 101,917.60
  4. Step 4: Simplify right side
    301,616.80x = 46,108,622,950.08
  5. Step 5: Solve for x
    x = 46,108,622,950.08/301,616.80
  6. Step 6: Final answer
    x = 152,871.53

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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.