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Finding the Fourth Proportional to 296,944.40, 445,416.60 and 195,467.60

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Solution

The fourth proportional to 296,944.40, 445,416.60 and 195,467.60 is: 293,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,944.40 : 445,416.60 = 195,467.60 : x
  2. Step 2: Convert to fraction form
    296,944.40/445,416.60 = 195,467.60/x
  3. Step 3: Cross multiply
    296,944.40x = 445,416.60 × 195,467.60
  4. Step 4: Simplify right side
    296,944.40x = 87,064,513,802.16
  5. Step 5: Solve for x
    x = 87,064,513,802.16/296,944.40
  6. Step 6: Final answer
    x = 293,201.40

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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.