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Finding the Fourth Proportional to 293,024.40, 439,536.60 and 291,274.80

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Solution

The fourth proportional to 293,024.40, 439,536.60 and 291,274.80 is: 436,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,024.40 : 439,536.60 = 291,274.80 : x
  2. Step 2: Convert to fraction form
    293,024.40/439,536.60 = 291,274.80/x
  3. Step 3: Cross multiply
    293,024.40x = 439,536.60 × 291,274.80
  4. Step 4: Simplify right side
    293,024.40x = 128,025,935,257.68
  5. Step 5: Solve for x
    x = 128,025,935,257.68/293,024.40
  6. Step 6: Final answer
    x = 436,912.20

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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.