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Finding the Fourth Proportional to 196,507,574.40, 294,194,491.20 and 196,507,574.40

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Solution

The fourth proportional to 196,507,574.40, 294,194,491.20 and 196,507,574.40 is: 294,194,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,507,574.40 : 294,194,491.20 = 196,507,574.40 : x
  2. Step 2: Convert to fraction form
    196,507,574.40/294,194,491.20 = 196,507,574.40/x
  3. Step 3: Cross multiply
    196,507,574.40x = 294,194,491.20 × 196,507,574.40
  4. Step 4: Simplify right side
    196,507,574.40x = 57,811,445,867,554,144
  5. Step 5: Solve for x
    x = 57,811,445,867,554,144/196,507,574.40
  6. Step 6: Final answer
    x = 294,194,491.20

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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.