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Finding the Fourth Proportional to 355,230.53, 490,225.19 and 194,095.58

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Solution

The fourth proportional to 355,230.53, 490,225.19 and 194,095.58 is: 267,855.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,230.53 : 490,225.19 = 194,095.58 : x
  2. Step 2: Convert to fraction form
    355,230.53/490,225.19 = 194,095.58/x
  3. Step 3: Cross multiply
    355,230.53x = 490,225.19 × 194,095.58
  4. Step 4: Simplify right side
    355,230.53x = 95,150,539,162.06
  5. Step 5: Solve for x
    x = 95,150,539,162.06/355,230.53
  6. Step 6: Final answer
    x = 267,855.75

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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.