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Finding the Fourth Proportional to 317,649.78, 476,323.74 and 184,568.40

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Solution

The fourth proportional to 317,649.78, 476,323.74 and 184,568.40 is: 276,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,649.78 : 476,323.74 = 184,568.40 : x
  2. Step 2: Convert to fraction form
    317,649.78/476,323.74 = 184,568.40/x
  3. Step 3: Cross multiply
    317,649.78x = 476,323.74 × 184,568.40
  4. Step 4: Simplify right side
    317,649.78x = 87,914,310,573.82
  5. Step 5: Solve for x
    x = 87,914,310,573.82/317,649.78
  6. Step 6: Final answer
    x = 276,764.90

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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.