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Finding the Fourth Proportional to 370,793.10, 556,060.05 and 193,241.10

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Solution

The fourth proportional to 370,793.10, 556,060.05 and 193,241.10 is: 289,794.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,793.10 : 556,060.05 = 193,241.10 : x
  2. Step 2: Convert to fraction form
    370,793.10/556,060.05 = 193,241.10/x
  3. Step 3: Cross multiply
    370,793.10x = 556,060.05 × 193,241.10
  4. Step 4: Simplify right side
    370,793.10x = 107,453,655,728.06
  5. Step 5: Solve for x
    x = 107,453,655,728.06/370,793.10
  6. Step 6: Final answer
    x = 289,794.11

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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.