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Finding the Fourth Proportional to 384,019.40, 576,158.70 and 184,464.20

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Solution

The fourth proportional to 384,019.40, 576,158.70 and 184,464.20 is: 276,758.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,019.40 : 576,158.70 = 184,464.20 : x
  2. Step 2: Convert to fraction form
    384,019.40/576,158.70 = 184,464.20/x
  3. Step 3: Cross multiply
    384,019.40x = 576,158.70 × 184,464.20
  4. Step 4: Simplify right side
    384,019.40x = 106,280,653,668.54
  5. Step 5: Solve for x
    x = 106,280,653,668.54/384,019.40
  6. Step 6: Final answer
    x = 276,758.55

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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.