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Finding the Fourth Proportional to 375,124.64, 562,704.24 and 208,787.36

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Solution

The fourth proportional to 375,124.64, 562,704.24 and 208,787.36 is: 313,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,124.64 : 562,704.24 = 208,787.36 : x
  2. Step 2: Convert to fraction form
    375,124.64/562,704.24 = 208,787.36/x
  3. Step 3: Cross multiply
    375,124.64x = 562,704.24 × 208,787.36
  4. Step 4: Simplify right side
    375,124.64x = 117,485,532,730.41
  5. Step 5: Solve for x
    x = 117,485,532,730.41/375,124.64
  6. Step 6: Final answer
    x = 313,190.66

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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.