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Finding the Fourth Proportional to 565,989.08, 781,122.16 and 324,303.72

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Solution

The fourth proportional to 565,989.08, 781,122.16 and 324,303.72 is: 447,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,989.08 : 781,122.16 = 324,303.72 : x
  2. Step 2: Convert to fraction form
    565,989.08/781,122.16 = 324,303.72/x
  3. Step 3: Cross multiply
    565,989.08x = 781,122.16 × 324,303.72
  4. Step 4: Simplify right side
    565,989.08x = 253,320,822,262.44
  5. Step 5: Solve for x
    x = 253,320,822,262.44/565,989.08
  6. Step 6: Final answer
    x = 447,571.93

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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.