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Finding the Fourth Proportional to 402,627.58, 603,498.50 and 165,841.09

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Solution

The fourth proportional to 402,627.58, 603,498.50 and 165,841.09 is: 248,579.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,627.58 : 603,498.50 = 165,841.09 : x
  2. Step 2: Convert to fraction form
    402,627.58/603,498.50 = 165,841.09/x
  3. Step 3: Cross multiply
    402,627.58x = 603,498.50 × 165,841.09
  4. Step 4: Simplify right side
    402,627.58x = 100,084,849,053.37
  5. Step 5: Solve for x
    x = 100,084,849,053.37/402,627.58
  6. Step 6: Final answer
    x = 248,579.22

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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.