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Finding the Fourth Proportional to 445,396.89, 614,649.39 and 241,448.19

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Solution

The fourth proportional to 445,396.89, 614,649.39 and 241,448.19 is: 333,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,396.89 : 614,649.39 = 241,448.19 : x
  2. Step 2: Convert to fraction form
    445,396.89/614,649.39 = 241,448.19/x
  3. Step 3: Cross multiply
    445,396.89x = 614,649.39 × 241,448.19
  4. Step 4: Simplify right side
    445,396.89x = 148,405,982,700.10
  5. Step 5: Solve for x
    x = 148,405,982,700.10/445,396.89
  6. Step 6: Final answer
    x = 333,199.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.