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Finding the Fourth Proportional to 255,590.58, 352,735.28 and 140,889.62

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Solution

The fourth proportional to 255,590.58, 352,735.28 and 140,889.62 is: 194,438.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,590.58 : 352,735.28 = 140,889.62 : x
  2. Step 2: Convert to fraction form
    255,590.58/352,735.28 = 140,889.62/x
  3. Step 3: Cross multiply
    255,590.58x = 352,735.28 × 140,889.62
  4. Step 4: Simplify right side
    255,590.58x = 49,696,739,559.79
  5. Step 5: Solve for x
    x = 49,696,739,559.79/255,590.58
  6. Step 6: Final answer
    x = 194,438.85

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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.