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Finding the Fourth Proportional to 307,574.52, 461,361.98 and 105,172.11

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Solution

The fourth proportional to 307,574.52, 461,361.98 and 105,172.11 is: 157,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,574.52 : 461,361.98 = 105,172.11 : x
  2. Step 2: Convert to fraction form
    307,574.52/461,361.98 = 105,172.11/x
  3. Step 3: Cross multiply
    307,574.52x = 461,361.98 × 105,172.11
  4. Step 4: Simplify right side
    307,574.52x = 48,522,414,852.48
  5. Step 5: Solve for x
    x = 48,522,414,852.48/307,574.52
  6. Step 6: Final answer
    x = 157,758.24

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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.