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Finding the Fourth Proportional to 240,034.60, 360,051.90 and 193,378.60

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Solution

The fourth proportional to 240,034.60, 360,051.90 and 193,378.60 is: 290,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,034.60 : 360,051.90 = 193,378.60 : x
  2. Step 2: Convert to fraction form
    240,034.60/360,051.90 = 193,378.60/x
  3. Step 3: Cross multiply
    240,034.60x = 360,051.90 × 193,378.60
  4. Step 4: Simplify right side
    240,034.60x = 69,626,332,349.34
  5. Step 5: Solve for x
    x = 69,626,332,349.34/240,034.60
  6. Step 6: Final answer
    x = 290,067.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.