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Finding the Fourth Proportional to 261,937.74, 393,181.46 and 232,142.60

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Solution

The fourth proportional to 261,937.74, 393,181.46 and 232,142.60 is: 348,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,937.74 : 393,181.46 = 232,142.60 : x
  2. Step 2: Convert to fraction form
    261,937.74/393,181.46 = 232,142.60/x
  3. Step 3: Cross multiply
    261,937.74x = 393,181.46 × 232,142.60
  4. Step 4: Simplify right side
    261,937.74x = 91,274,166,396.20
  5. Step 5: Solve for x
    x = 91,274,166,396.20/261,937.74
  6. Step 6: Final answer
    x = 348,457.49

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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.