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Finding the Fourth Proportional to 243,915.28, 365,493.63 and 169,181.44

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Solution

The fourth proportional to 243,915.28, 365,493.63 and 169,181.44 is: 253,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,915.28 : 365,493.63 = 169,181.44 : x
  2. Step 2: Convert to fraction form
    243,915.28/365,493.63 = 169,181.44/x
  3. Step 3: Cross multiply
    243,915.28x = 365,493.63 × 169,181.44
  4. Step 4: Simplify right side
    243,915.28x = 61,834,737,720.49
  5. Step 5: Solve for x
    x = 61,834,737,720.49/243,915.28
  6. Step 6: Final answer
    x = 253,509.08

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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.