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Finding the Fourth Proportional to 503,611.14, 755,416.80 and 166,561.35

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Solution

The fourth proportional to 503,611.14, 755,416.80 and 166,561.35 is: 249,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,611.14 : 755,416.80 = 166,561.35 : x
  2. Step 2: Convert to fraction form
    503,611.14/755,416.80 = 166,561.35/x
  3. Step 3: Cross multiply
    503,611.14x = 755,416.80 × 166,561.35
  4. Step 4: Simplify right side
    503,611.14x = 125,823,242,020.68
  5. Step 5: Solve for x
    x = 125,823,242,020.68/503,611.14
  6. Step 6: Final answer
    x = 249,842.05

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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.