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Finding the Fourth Proportional to 353,503.60, 529,672.20 and 175,627.60

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Solution

The fourth proportional to 353,503.60, 529,672.20 and 175,627.60 is: 263,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,503.60 : 529,672.20 = 175,627.60 : x
  2. Step 2: Convert to fraction form
    353,503.60/529,672.20 = 175,627.60/x
  3. Step 3: Cross multiply
    353,503.60x = 529,672.20 × 175,627.60
  4. Step 4: Simplify right side
    353,503.60x = 93,025,057,272.72
  5. Step 5: Solve for x
    x = 93,025,057,272.72/353,503.60
  6. Step 6: Final answer
    x = 263,151.65

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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.