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Finding the Fourth Proportional to 318,336.66, 439,295.34 and 175,096.68

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Solution

The fourth proportional to 318,336.66, 439,295.34 and 175,096.68 is: 241,628.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,336.66 : 439,295.34 = 175,096.68 : x
  2. Step 2: Convert to fraction form
    318,336.66/439,295.34 = 175,096.68/x
  3. Step 3: Cross multiply
    318,336.66x = 439,295.34 × 175,096.68
  4. Step 4: Simplify right side
    318,336.66x = 76,919,155,573.47
  5. Step 5: Solve for x
    x = 76,919,155,573.47/318,336.66
  6. Step 6: Final answer
    x = 241,628.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.