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Finding the Fourth Proportional to 300,041.67, 414,053.51 and 170,987.82

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Solution

The fourth proportional to 300,041.67, 414,053.51 and 170,987.82 is: 235,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,041.67 : 414,053.51 = 170,987.82 : x
  2. Step 2: Convert to fraction form
    300,041.67/414,053.51 = 170,987.82/x
  3. Step 3: Cross multiply
    300,041.67x = 414,053.51 × 170,987.82
  4. Step 4: Simplify right side
    300,041.67x = 70,798,106,183.31
  5. Step 5: Solve for x
    x = 70,798,106,183.31/300,041.67
  6. Step 6: Final answer
    x = 235,960.91

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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.