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Finding the Fourth Proportional to 2,966,466.40, 4,449,440.40 and 971,922.40

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Solution

The fourth proportional to 2,966,466.40, 4,449,440.40 and 971,922.40 is: 1,457,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966,466.40 : 4,449,440.40 = 971,922.40 : x
  2. Step 2: Convert to fraction form
    2,966,466.40/4,449,440.40 = 971,922.40/x
  3. Step 3: Cross multiply
    2,966,466.40x = 4,449,440.40 × 971,922.40
  4. Step 4: Simplify right side
    2,966,466.40x = 4,324,510,792,224.96
  5. Step 5: Solve for x
    x = 4,324,510,792,224.96/2,966,466.40
  6. Step 6: Final answer
    x = 1,457,798.68

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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.