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Finding the Fourth Proportional to 503,700.68, 751,865.86 and 443,915.48

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Solution

The fourth proportional to 503,700.68, 751,865.86 and 443,915.48 is: 662,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,700.68 : 751,865.86 = 443,915.48 : x
  2. Step 2: Convert to fraction form
    503,700.68/751,865.86 = 443,915.48/x
  3. Step 3: Cross multiply
    503,700.68x = 751,865.86 × 443,915.48
  4. Step 4: Simplify right side
    503,700.68x = 333,764,894,137.51
  5. Step 5: Solve for x
    x = 333,764,894,137.51/503,700.68
  6. Step 6: Final answer
    x = 662,625.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.