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Finding the Fourth Proportional to 296,997.60, 445,496.40 and 293,887.20

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Solution

The fourth proportional to 296,997.60, 445,496.40 and 293,887.20 is: 440,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,997.60 : 445,496.40 = 293,887.20 : x
  2. Step 2: Convert to fraction form
    296,997.60/445,496.40 = 293,887.20/x
  3. Step 3: Cross multiply
    296,997.60x = 445,496.40 × 293,887.20
  4. Step 4: Simplify right side
    296,997.60x = 130,925,689,606.08
  5. Step 5: Solve for x
    x = 130,925,689,606.08/296,997.60
  6. Step 6: Final answer
    x = 440,830.80

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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.