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Finding the Fourth Proportional to 307,536.30, 461,304.45 and 266,064.30

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Solution

The fourth proportional to 307,536.30, 461,304.45 and 266,064.30 is: 399,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,536.30 : 461,304.45 = 266,064.30 : x
  2. Step 2: Convert to fraction form
    307,536.30/461,304.45 = 266,064.30/x
  3. Step 3: Cross multiply
    307,536.30x = 461,304.45 × 266,064.30
  4. Step 4: Simplify right side
    307,536.30x = 122,736,645,576.14
  5. Step 5: Solve for x
    x = 122,736,645,576.14/307,536.30
  6. Step 6: Final answer
    x = 399,096.45

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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.