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Finding the Fourth Proportional to 260,771.70, 359,862.93 and 147,590.58

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Solution

The fourth proportional to 260,771.70, 359,862.93 and 147,590.58 is: 203,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,771.70 : 359,862.93 = 147,590.58 : x
  2. Step 2: Convert to fraction form
    260,771.70/359,862.93 = 147,590.58/x
  3. Step 3: Cross multiply
    260,771.70x = 359,862.93 × 147,590.58
  4. Step 4: Simplify right side
    260,771.70x = 53,112,378,559.20
  5. Step 5: Solve for x
    x = 53,112,378,559.20/260,771.70
  6. Step 6: Final answer
    x = 203,673.86

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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.