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Finding the Fourth Proportional to 260,399.36, 359,206.44 and 151,491.47

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Solution

The fourth proportional to 260,399.36, 359,206.44 and 151,491.47 is: 208,974.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,399.36 : 359,206.44 = 151,491.47 : x
  2. Step 2: Convert to fraction form
    260,399.36/359,206.44 = 151,491.47/x
  3. Step 3: Cross multiply
    260,399.36x = 359,206.44 × 151,491.47
  4. Step 4: Simplify right side
    260,399.36x = 54,416,709,264.94
  5. Step 5: Solve for x
    x = 54,416,709,264.94/260,399.36
  6. Step 6: Final answer
    x = 208,974.05

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1.5x scale

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.