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Finding the Fourth Proportional to 300,807.07, 415,113.77 and 166,671.07

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Solution

The fourth proportional to 300,807.07, 415,113.77 and 166,671.07 is: 230,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,807.07 : 415,113.77 = 166,671.07 : x
  2. Step 2: Convert to fraction form
    300,807.07/415,113.77 = 166,671.07/x
  3. Step 3: Cross multiply
    300,807.07x = 415,113.77 × 166,671.07
  4. Step 4: Simplify right side
    300,807.07x = 69,187,456,217.63
  5. Step 5: Solve for x
    x = 69,187,456,217.63/300,807.07
  6. Step 6: Final answer
    x = 230,006.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.