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Finding the Fourth Proportional to 295,296.22, 407,367.05 and 193,276.76

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Solution

The fourth proportional to 295,296.22, 407,367.05 and 193,276.76 is: 266,629.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,296.22 : 407,367.05 = 193,276.76 : x
  2. Step 2: Convert to fraction form
    295,296.22/407,367.05 = 193,276.76/x
  3. Step 3: Cross multiply
    295,296.22x = 407,367.05 × 193,276.76
  4. Step 4: Simplify right side
    295,296.22x = 78,734,582,588.37
  5. Step 5: Solve for x
    x = 78,734,582,588.37/295,296.22
  6. Step 6: Final answer
    x = 266,629.16

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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.