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Finding the Fourth Proportional to 365,612.82, 548,418.42 and 99,411.99

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Solution

The fourth proportional to 365,612.82, 548,418.42 and 99,411.99 is: 149,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,612.82 : 548,418.42 = 99,411.99 : x
  2. Step 2: Convert to fraction form
    365,612.82/548,418.42 = 99,411.99/x
  3. Step 3: Cross multiply
    365,612.82x = 548,418.42 × 99,411.99
  4. Step 4: Simplify right side
    365,612.82x = 54,519,366,484.86
  5. Step 5: Solve for x
    x = 54,519,366,484.86/365,612.82
  6. Step 6: Final answer
    x = 149,117.76

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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.