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Finding the Fourth Proportional to 577,259.72, 864,942.98 and 407,953.14

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Solution

The fourth proportional to 577,259.72, 864,942.98 and 407,953.14 is: 611,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,259.72 : 864,942.98 = 407,953.14 : x
  2. Step 2: Convert to fraction form
    577,259.72/864,942.98 = 407,953.14/x
  3. Step 3: Cross multiply
    577,259.72x = 864,942.98 × 407,953.14
  4. Step 4: Simplify right side
    577,259.72x = 352,856,204,611.96
  5. Step 5: Solve for x
    x = 352,856,204,611.96/577,259.72
  6. Step 6: Final answer
    x = 611,260.74

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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.