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Finding the Fourth Proportional to 319,504.41, 440,915.58 and 174,310.20

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Solution

The fourth proportional to 319,504.41, 440,915.58 and 174,310.20 is: 240,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,504.41 : 440,915.58 = 174,310.20 : x
  2. Step 2: Convert to fraction form
    319,504.41/440,915.58 = 174,310.20/x
  3. Step 3: Cross multiply
    319,504.41x = 440,915.58 × 174,310.20
  4. Step 4: Simplify right side
    319,504.41x = 76,856,082,932.92
  5. Step 5: Solve for x
    x = 76,856,082,932.92/319,504.41
  6. Step 6: Final answer
    x = 240,547.80

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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.