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Finding the Fourth Proportional to 557,186.20, 835,730.70 and 183,209.20

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Solution

The fourth proportional to 557,186.20, 835,730.70 and 183,209.20 is: 274,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,186.20 : 835,730.70 = 183,209.20 : x
  2. Step 2: Convert to fraction form
    557,186.20/835,730.70 = 183,209.20/x
  3. Step 3: Cross multiply
    557,186.20x = 835,730.70 × 183,209.20
  4. Step 4: Simplify right side
    557,186.20x = 153,113,552,962.44
  5. Step 5: Solve for x
    x = 153,113,552,962.44/557,186.20
  6. Step 6: Final answer
    x = 274,797.82

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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.