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Finding the Fourth Proportional to 348,828, 523,320 and 127,212

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Solution

The fourth proportional to 348,828, 523,320 and 127,212 is: 190,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,828 : 523,320 = 127,212 : x
  2. Step 2: Convert to fraction form
    348,828/523,320 = 127,212/x
  3. Step 3: Cross multiply
    348,828x = 523,320 × 127,212
  4. Step 4: Simplify right side
    348,828x = 66,572,583,840
  5. Step 5: Solve for x
    x = 66,572,583,840/348,828
  6. Step 6: Final answer
    x = 190,846.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.