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Finding the Fourth Proportional to 350,062.60, 525,093.90 and 266,081.80

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Solution

The fourth proportional to 350,062.60, 525,093.90 and 266,081.80 is: 399,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,062.60 : 525,093.90 = 266,081.80 : x
  2. Step 2: Convert to fraction form
    350,062.60/525,093.90 = 266,081.80/x
  3. Step 3: Cross multiply
    350,062.60x = 525,093.90 × 266,081.80
  4. Step 4: Simplify right side
    350,062.60x = 139,717,930,081.02
  5. Step 5: Solve for x
    x = 139,717,930,081.02/350,062.60
  6. Step 6: Final answer
    x = 399,122.70

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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.