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Finding the Fourth Proportional to 617,113.67, 851,797.91 and 359,051.32

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Solution

The fourth proportional to 617,113.67, 851,797.91 and 359,051.32 is: 495,596.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,113.67 : 851,797.91 = 359,051.32 : x
  2. Step 2: Convert to fraction form
    617,113.67/851,797.91 = 359,051.32/x
  3. Step 3: Cross multiply
    617,113.67x = 851,797.91 × 359,051.32
  4. Step 4: Simplify right side
    617,113.67x = 305,839,162,726.88
  5. Step 5: Solve for x
    x = 305,839,162,726.88/617,113.67
  6. Step 6: Final answer
    x = 495,596.15

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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.