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Finding the Fourth Proportional to 940,232, 1,409,414.88 and 440,701.76

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Solution

The fourth proportional to 940,232, 1,409,414.88 and 440,701.76 is: 660,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,232 : 1,409,414.88 = 440,701.76 : x
  2. Step 2: Convert to fraction form
    940,232/1,409,414.88 = 440,701.76/x
  3. Step 3: Cross multiply
    940,232x = 1,409,414.88 × 440,701.76
  4. Step 4: Simplify right side
    940,232x = 621,131,618,186.19
  5. Step 5: Solve for x
    x = 621,131,618,186.19/940,232
  6. Step 6: Final answer
    x = 660,615.27

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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.