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Finding the Fourth Proportional to 475,115.22, 655,659.16 and 260,263.02

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Solution

The fourth proportional to 475,115.22, 655,659.16 and 260,263.02 is: 359,163.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,115.22 : 655,659.16 = 260,263.02 : x
  2. Step 2: Convert to fraction form
    475,115.22/655,659.16 = 260,263.02/x
  3. Step 3: Cross multiply
    475,115.22x = 655,659.16 × 260,263.02
  4. Step 4: Simplify right side
    475,115.22x = 170,643,833,072.26
  5. Step 5: Solve for x
    x = 170,643,833,072.26/475,115.22
  6. Step 6: Final answer
    x = 359,163.05

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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.