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Finding the Fourth Proportional to 475,893.64, 656,728.02 and 261,032.92

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Solution

The fourth proportional to 475,893.64, 656,728.02 and 261,032.92 is: 360,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,893.64 : 656,728.02 = 261,032.92 : x
  2. Step 2: Convert to fraction form
    475,893.64/656,728.02 = 261,032.92/x
  3. Step 3: Cross multiply
    475,893.64x = 656,728.02 × 261,032.92
  4. Step 4: Simplify right side
    475,893.64x = 171,427,632,706.42
  5. Step 5: Solve for x
    x = 171,427,632,706.42/475,893.64
  6. Step 6: Final answer
    x = 360,222.58

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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.