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Finding the Fourth Proportional to 475,136.04, 655,687.70 and 260,276.05

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Solution

The fourth proportional to 475,136.04, 655,687.70 and 260,276.05 is: 359,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,136.04 : 655,687.70 = 260,276.05 : x
  2. Step 2: Convert to fraction form
    475,136.04/655,687.70 = 260,276.05/x
  3. Step 3: Cross multiply
    475,136.04x = 655,687.70 × 260,276.05
  4. Step 4: Simplify right side
    475,136.04x = 170,659,804,589.59
  5. Step 5: Solve for x
    x = 170,659,804,589.59/475,136.04
  6. Step 6: Final answer
    x = 359,180.93

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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.