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Finding the Fourth Proportional to 238,951.84, 329,041.74 and 233,647.78

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Solution

The fourth proportional to 238,951.84, 329,041.74 and 233,647.78 is: 321,737.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,951.84 : 329,041.74 = 233,647.78 : x
  2. Step 2: Convert to fraction form
    238,951.84/329,041.74 = 233,647.78/x
  3. Step 3: Cross multiply
    238,951.84x = 329,041.74 × 233,647.78
  4. Step 4: Simplify right side
    238,951.84x = 76,879,872,078.34
  5. Step 5: Solve for x
    x = 76,879,872,078.34/238,951.84
  6. Step 6: Final answer
    x = 321,737.94

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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.