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Finding the Fourth Proportional to 297,987.12, 411,237 and 184,846.32

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Solution

The fourth proportional to 297,987.12, 411,237 and 184,846.32 is: 255,097.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,987.12 : 411,237 = 184,846.32 : x
  2. Step 2: Convert to fraction form
    297,987.12/411,237 = 184,846.32/x
  3. Step 3: Cross multiply
    297,987.12x = 411,237 × 184,846.32
  4. Step 4: Simplify right side
    297,987.12x = 76,015,646,097.84
  5. Step 5: Solve for x
    x = 76,015,646,097.84/297,987.12
  6. Step 6: Final answer
    x = 255,097.09

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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.