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Finding the Fourth Proportional to 346,096.21, 477,611.87 and 193,132.78

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Solution

The fourth proportional to 346,096.21, 477,611.87 and 193,132.78 is: 266,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,096.21 : 477,611.87 = 193,132.78 : x
  2. Step 2: Convert to fraction form
    346,096.21/477,611.87 = 193,132.78/x
  3. Step 3: Cross multiply
    346,096.21x = 477,611.87 × 193,132.78
  4. Step 4: Simplify right side
    346,096.21x = 92,242,506,778.65
  5. Step 5: Solve for x
    x = 92,242,506,778.65/346,096.21
  6. Step 6: Final answer
    x = 266,522.73

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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.