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Finding the Fourth Proportional to 322,316.64, 483,474.93 and 100,700.64

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Solution

The fourth proportional to 322,316.64, 483,474.93 and 100,700.64 is: 151,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,316.64 : 483,474.93 = 100,700.64 : x
  2. Step 2: Convert to fraction form
    322,316.64/483,474.93 = 100,700.64/x
  3. Step 3: Cross multiply
    322,316.64x = 483,474.93 × 100,700.64
  4. Step 4: Simplify right side
    322,316.64x = 48,686,234,874.96
  5. Step 5: Solve for x
    x = 48,686,234,874.96/322,316.64
  6. Step 6: Final answer
    x = 151,050.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.