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Finding the Fourth Proportional to 294,157.35, 440,343.81 and 266,089.23

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Solution

The fourth proportional to 294,157.35, 440,343.81 and 266,089.23 is: 398,326.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,157.35 : 440,343.81 = 266,089.23 : x
  2. Step 2: Convert to fraction form
    294,157.35/440,343.81 = 266,089.23/x
  3. Step 3: Cross multiply
    294,157.35x = 440,343.81 × 266,089.23
  4. Step 4: Simplify right side
    294,157.35x = 117,170,745,338.17
  5. Step 5: Solve for x
    x = 117,170,745,338.17/294,157.35
  6. Step 6: Final answer
    x = 398,326.76

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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.