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Finding the Fourth Proportional to 435,774.60, 653,894.10 and 169,543.80

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Solution

The fourth proportional to 435,774.60, 653,894.10 and 169,543.80 is: 254,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,774.60 : 653,894.10 = 169,543.80 : x
  2. Step 2: Convert to fraction form
    435,774.60/653,894.10 = 169,543.80/x
  3. Step 3: Cross multiply
    435,774.60x = 653,894.10 × 169,543.80
  4. Step 4: Simplify right side
    435,774.60x = 110,863,690,511.58
  5. Step 5: Solve for x
    x = 110,863,690,511.58/435,774.60
  6. Step 6: Final answer
    x = 254,406.04

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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.