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Finding the Fourth Proportional to 348,842.18, 481,396.10 and 195,881.60

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Solution

The fourth proportional to 348,842.18, 481,396.10 and 195,881.60 is: 270,313.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,842.18 : 481,396.10 = 195,881.60 : x
  2. Step 2: Convert to fraction form
    348,842.18/481,396.10 = 195,881.60/x
  3. Step 3: Cross multiply
    348,842.18x = 481,396.10 × 195,881.60
  4. Step 4: Simplify right side
    348,842.18x = 94,296,638,301.76
  5. Step 5: Solve for x
    x = 94,296,638,301.76/348,842.18
  6. Step 6: Final answer
    x = 270,313.18

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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.