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Finding the Fourth Proportional to 569,851.46, 786,414.44 and 324,872.45

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Solution

The fourth proportional to 569,851.46, 786,414.44 and 324,872.45 is: 448,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,851.46 : 786,414.44 = 324,872.45 : x
  2. Step 2: Convert to fraction form
    569,851.46/786,414.44 = 324,872.45/x
  3. Step 3: Cross multiply
    569,851.46x = 786,414.44 × 324,872.45
  4. Step 4: Simplify right side
    569,851.46x = 255,484,385,838.18
  5. Step 5: Solve for x
    x = 255,484,385,838.18/569,851.46
  6. Step 6: Final answer
    x = 448,335.06

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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.