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Finding the Fourth Proportional to 436,159.60, 653,851.68 and 169,858.60

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Solution

The fourth proportional to 436,159.60, 653,851.68 and 169,858.60 is: 254,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,159.60 : 653,851.68 = 169,858.60 : x
  2. Step 2: Convert to fraction form
    436,159.60/653,851.68 = 169,858.60/x
  3. Step 3: Cross multiply
    436,159.60x = 653,851.68 × 169,858.60
  4. Step 4: Simplify right side
    436,159.60x = 111,062,330,972.45
  5. Step 5: Solve for x
    x = 111,062,330,972.45/436,159.60
  6. Step 6: Final answer
    x = 254,636.91

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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.