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Finding the Fourth Proportional to 355,209.60, 532,684.80 and 177,657.60

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Solution

The fourth proportional to 355,209.60, 532,684.80 and 177,657.60 is: 266,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,209.60 : 532,684.80 = 177,657.60 : x
  2. Step 2: Convert to fraction form
    355,209.60/532,684.80 = 177,657.60/x
  3. Step 3: Cross multiply
    355,209.60x = 532,684.80 × 177,657.60
  4. Step 4: Simplify right side
    355,209.60x = 94,635,503,124.48
  5. Step 5: Solve for x
    x = 94,635,503,124.48/355,209.60
  6. Step 6: Final answer
    x = 266,421.58

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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.