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Finding the Fourth Proportional to 356,300.26, 534,468.71 and 90,063.05

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Solution

The fourth proportional to 356,300.26, 534,468.71 and 90,063.05 is: 135,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,300.26 : 534,468.71 = 90,063.05 : x
  2. Step 2: Convert to fraction form
    356,300.26/534,468.71 = 90,063.05/x
  3. Step 3: Cross multiply
    356,300.26x = 534,468.71 × 90,063.05
  4. Step 4: Simplify right side
    356,300.26x = 48,135,879,704.98
  5. Step 5: Solve for x
    x = 48,135,879,704.98/356,300.26
  6. Step 6: Final answer
    x = 135,099.20

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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.