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Finding the Fourth Proportional to 350,468.64, 483,646.42 and 189,323.64

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Solution

The fourth proportional to 350,468.64, 483,646.42 and 189,323.64 is: 261,266.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,468.64 : 483,646.42 = 189,323.64 : x
  2. Step 2: Convert to fraction form
    350,468.64/483,646.42 = 189,323.64/x
  3. Step 3: Cross multiply
    350,468.64x = 483,646.42 × 189,323.64
  4. Step 4: Simplify right side
    350,468.64x = 91,565,700,944.02
  5. Step 5: Solve for x
    x = 91,565,700,944.02/350,468.64
  6. Step 6: Final answer
    x = 261,266.46

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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.