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Finding the Fourth Proportional to 238,405.36, 357,607.62 and 60,912.40

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Solution

The fourth proportional to 238,405.36, 357,607.62 and 60,912.40 is: 91,368.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,405.36 : 357,607.62 = 60,912.40 : x
  2. Step 2: Convert to fraction form
    238,405.36/357,607.62 = 60,912.40/x
  3. Step 3: Cross multiply
    238,405.36x = 357,607.62 × 60,912.40
  4. Step 4: Simplify right side
    238,405.36x = 21,782,738,392.49
  5. Step 5: Solve for x
    x = 21,782,738,392.49/238,405.36
  6. Step 6: Final answer
    x = 91,368.49

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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.