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Finding the Fourth Proportional to 613,240.23, 920,012.22 and 293,635.29

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Solution

The fourth proportional to 613,240.23, 920,012.22 and 293,635.29 is: 440,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,240.23 : 920,012.22 = 293,635.29 : x
  2. Step 2: Convert to fraction form
    613,240.23/920,012.22 = 293,635.29/x
  3. Step 3: Cross multiply
    613,240.23x = 920,012.22 × 293,635.29
  4. Step 4: Simplify right side
    613,240.23x = 270,148,055,023.24
  5. Step 5: Solve for x
    x = 270,148,055,023.24/613,240.23
  6. Step 6: Final answer
    x = 440,525.66

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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.