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Finding the Fourth Proportional to 370,707.46, 556,104.38 and 134,161.54

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Solution

The fourth proportional to 370,707.46, 556,104.38 and 134,161.54 is: 201,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,707.46 : 556,104.38 = 134,161.54 : x
  2. Step 2: Convert to fraction form
    370,707.46/556,104.38 = 134,161.54/x
  3. Step 3: Cross multiply
    370,707.46x = 556,104.38 × 134,161.54
  4. Step 4: Simplify right side
    370,707.46x = 74,607,820,021.55
  5. Step 5: Solve for x
    x = 74,607,820,021.55/370,707.46
  6. Step 6: Final answer
    x = 201,257.94

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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.