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Finding the Fourth Proportional to 296,738.64, 445,399.56 and 217,627.56

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Solution

The fourth proportional to 296,738.64, 445,399.56 and 217,627.56 is: 326,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,738.64 : 445,399.56 = 217,627.56 : x
  2. Step 2: Convert to fraction form
    296,738.64/445,399.56 = 217,627.56/x
  3. Step 3: Cross multiply
    296,738.64x = 445,399.56 × 217,627.56
  4. Step 4: Simplify right side
    296,738.64x = 96,931,219,467.87
  5. Step 5: Solve for x
    x = 96,931,219,467.87/296,738.64
  6. Step 6: Final answer
    x = 326,655.20

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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.