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Finding the Fourth Proportional to 503,871.42, 755,651.40 and 166,842.30

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Solution

The fourth proportional to 503,871.42, 755,651.40 and 166,842.30 is: 250,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,871.42 : 755,651.40 = 166,842.30 : x
  2. Step 2: Convert to fraction form
    503,871.42/755,651.40 = 166,842.30/x
  3. Step 3: Cross multiply
    503,871.42x = 755,651.40 × 166,842.30
  4. Step 4: Simplify right side
    503,871.42x = 126,074,617,574.22
  5. Step 5: Solve for x
    x = 126,074,617,574.22/503,871.42
  6. Step 6: Final answer
    x = 250,211.88

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1.5x scale

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.