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Finding the Fourth Proportional to 355,416.88, 533,152.86 and 118,760.39

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Solution

The fourth proportional to 355,416.88, 533,152.86 and 118,760.39 is: 178,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,416.88 : 533,152.86 = 118,760.39 : x
  2. Step 2: Convert to fraction form
    355,416.88/533,152.86 = 118,760.39/x
  3. Step 3: Cross multiply
    355,416.88x = 533,152.86 × 118,760.39
  4. Step 4: Simplify right side
    355,416.88x = 63,317,441,583.22
  5. Step 5: Solve for x
    x = 63,317,441,583.22/355,416.88
  6. Step 6: Final answer
    x = 178,149.79

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1.5x scale

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.