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Finding the Fourth Proportional to 613,367.08, 919,370.22 and 258,276.04

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Solution

The fourth proportional to 613,367.08, 919,370.22 and 258,276.04 is: 387,127.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,367.08 : 919,370.22 = 258,276.04 : x
  2. Step 2: Convert to fraction form
    613,367.08/919,370.22 = 258,276.04/x
  3. Step 3: Cross multiply
    613,367.08x = 919,370.22 × 258,276.04
  4. Step 4: Simplify right side
    613,367.08x = 237,451,299,715.53
  5. Step 5: Solve for x
    x = 237,451,299,715.53/613,367.08
  6. Step 6: Final answer
    x = 387,127.56

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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.