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Finding the Fourth Proportional to 503,688.68, 751,847.84 and 443,903.40

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Solution

The fourth proportional to 503,688.68, 751,847.84 and 443,903.40 is: 662,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,688.68 : 751,847.84 = 443,903.40 : x
  2. Step 2: Convert to fraction form
    503,688.68/751,847.84 = 443,903.40/x
  3. Step 3: Cross multiply
    503,688.68x = 751,847.84 × 443,903.40
  4. Step 4: Simplify right side
    503,688.68x = 333,747,812,458.66
  5. Step 5: Solve for x
    x = 333,747,812,458.66/503,688.68
  6. Step 6: Final answer
    x = 662,607.33

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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.