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Finding the Fourth Proportional to 384,049.22, 576,073.74 and 103,566.38

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Solution

The fourth proportional to 384,049.22, 576,073.74 and 103,566.38 is: 155,349.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,049.22 : 576,073.74 = 103,566.38 : x
  2. Step 2: Convert to fraction form
    384,049.22/576,073.74 = 103,566.38/x
  3. Step 3: Cross multiply
    384,049.22x = 576,073.74 × 103,566.38
  4. Step 4: Simplify right side
    384,049.22x = 59,661,871,864.86
  5. Step 5: Solve for x
    x = 59,661,871,864.86/384,049.22
  6. Step 6: Final answer
    x = 155,349.55

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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.