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Finding the Fourth Proportional to 353,517.66, 487,854.23 and 194,541.66

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Solution

The fourth proportional to 353,517.66, 487,854.23 and 194,541.66 is: 268,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,517.66 : 487,854.23 = 194,541.66 : x
  2. Step 2: Convert to fraction form
    353,517.66/487,854.23 = 194,541.66/x
  3. Step 3: Cross multiply
    353,517.66x = 487,854.23 × 194,541.66
  4. Step 4: Simplify right side
    353,517.66x = 94,907,971,742.22
  5. Step 5: Solve for x
    x = 94,907,971,742.22/353,517.66
  6. Step 6: Final answer
    x = 268,467.41

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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.