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Finding the Fourth Proportional to 291,070.46, 436,661.19 and 101,584.96

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Solution

The fourth proportional to 291,070.46, 436,661.19 and 101,584.96 is: 152,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,070.46 : 436,661.19 = 101,584.96 : x
  2. Step 2: Convert to fraction form
    291,070.46/436,661.19 = 101,584.96/x
  3. Step 3: Cross multiply
    291,070.46x = 436,661.19 × 101,584.96
  4. Step 4: Simplify right side
    291,070.46x = 44,358,209,519.70
  5. Step 5: Solve for x
    x = 44,358,209,519.70/291,070.46
  6. Step 6: Final answer
    x = 152,396.81

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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.