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Finding the Fourth Proportional to 255,589.58, 352,733.90 and 140,888.62

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Solution

The fourth proportional to 255,589.58, 352,733.90 and 140,888.62 is: 194,437.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,589.58 : 352,733.90 = 140,888.62 : x
  2. Step 2: Convert to fraction form
    255,589.58/352,733.90 = 140,888.62/x
  3. Step 3: Cross multiply
    255,589.58x = 352,733.90 × 140,888.62
  4. Step 4: Simplify right side
    255,589.58x = 49,696,190,811.94
  5. Step 5: Solve for x
    x = 49,696,190,811.94/255,589.58
  6. Step 6: Final answer
    x = 194,437.47

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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.