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Finding the Fourth Proportional to 318,273.66, 439,208.88 and 175,033.70

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Solution

The fourth proportional to 318,273.66, 439,208.88 and 175,033.70 is: 241,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,273.66 : 439,208.88 = 175,033.70 : x
  2. Step 2: Convert to fraction form
    318,273.66/439,208.88 = 175,033.70/x
  3. Step 3: Cross multiply
    318,273.66x = 439,208.88 × 175,033.70
  4. Step 4: Simplify right side
    318,273.66x = 76,876,355,339.26
  5. Step 5: Solve for x
    x = 76,876,355,339.26/318,273.66
  6. Step 6: Final answer
    x = 241,541.68

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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.