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Finding the Fourth Proportional to 291,069.46, 436,659.69 and 101,583.96

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Solution

The fourth proportional to 291,069.46, 436,659.69 and 101,583.96 is: 152,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,069.46 : 436,659.69 = 101,583.96 : x
  2. Step 2: Convert to fraction form
    291,069.46/436,659.69 = 101,583.96/x
  3. Step 3: Cross multiply
    291,069.46x = 436,659.69 × 101,583.96
  4. Step 4: Simplify right side
    291,069.46x = 44,357,619,226.04
  5. Step 5: Solve for x
    x = 44,357,619,226.04/291,069.46
  6. Step 6: Final answer
    x = 152,395.30

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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.