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Finding the Fourth Proportional to 366,325.84, 505,534.71 and 238,928.32

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Solution

The fourth proportional to 366,325.84, 505,534.71 and 238,928.32 is: 329,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,325.84 : 505,534.71 = 238,928.32 : x
  2. Step 2: Convert to fraction form
    366,325.84/505,534.71 = 238,928.32/x
  3. Step 3: Cross multiply
    366,325.84x = 505,534.71 × 238,928.32
  4. Step 4: Simplify right side
    366,325.84x = 120,786,558,961.99
  5. Step 5: Solve for x
    x = 120,786,558,961.99/366,325.84
  6. Step 6: Final answer
    x = 329,724.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.