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Finding the Fourth Proportional to 476,759.60, 714,979.08 and 192,376.64

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Solution

The fourth proportional to 476,759.60, 714,979.08 and 192,376.64 is: 288,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,759.60 : 714,979.08 = 192,376.64 : x
  2. Step 2: Convert to fraction form
    476,759.60/714,979.08 = 192,376.64/x
  3. Step 3: Cross multiply
    476,759.60x = 714,979.08 × 192,376.64
  4. Step 4: Simplify right side
    476,759.60x = 137,545,273,080.69
  5. Step 5: Solve for x
    x = 137,545,273,080.69/476,759.60
  6. Step 6: Final answer
    x = 288,500.27

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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.