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Finding the Fourth Proportional to 346,099.77, 477,616.79 and 193,136.33

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Solution

The fourth proportional to 346,099.77, 477,616.79 and 193,136.33 is: 266,527.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,099.77 : 477,616.79 = 193,136.33 : x
  2. Step 2: Convert to fraction form
    346,099.77/477,616.79 = 193,136.33/x
  3. Step 3: Cross multiply
    346,099.77x = 477,616.79 × 193,136.33
  4. Step 4: Simplify right side
    346,099.77x = 92,245,155,643.86
  5. Step 5: Solve for x
    x = 92,245,155,643.86/346,099.77
  6. Step 6: Final answer
    x = 266,527.64

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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.