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Finding the Fourth Proportional to 2,968,002.60, 4,450,529.70 and 945,983.40

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Solution

The fourth proportional to 2,968,002.60, 4,450,529.70 and 945,983.40 is: 1,418,505.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968,002.60 : 4,450,529.70 = 945,983.40 : x
  2. Step 2: Convert to fraction form
    2,968,002.60/4,450,529.70 = 945,983.40/x
  3. Step 3: Cross multiply
    2,968,002.60x = 4,450,529.70 × 945,983.40
  4. Step 4: Simplify right side
    2,968,002.60x = 4,210,127,217,406.98
  5. Step 5: Solve for x
    x = 4,210,127,217,406.98/2,968,002.60
  6. Step 6: Final answer
    x = 1,418,505.23

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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.