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Finding the Fourth Proportional to 293,655.80, 440,192.10 and 135,608.60

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Solution

The fourth proportional to 293,655.80, 440,192.10 and 135,608.60 is: 203,278.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,655.80 : 440,192.10 = 135,608.60 : x
  2. Step 2: Convert to fraction form
    293,655.80/440,192.10 = 135,608.60/x
  3. Step 3: Cross multiply
    293,655.80x = 440,192.10 × 135,608.60
  4. Step 4: Simplify right side
    293,655.80x = 59,693,834,412.06
  5. Step 5: Solve for x
    x = 59,693,834,412.06/293,655.80
  6. Step 6: Final answer
    x = 203,278.24

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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.