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Finding the Fourth Proportional to 934,491.80, 1,399,769.40 and 934,491.80

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Solution

The fourth proportional to 934,491.80, 1,399,769.40 and 934,491.80 is: 1,399,769.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,491.80 : 1,399,769.40 = 934,491.80 : x
  2. Step 2: Convert to fraction form
    934,491.80/1,399,769.40 = 934,491.80/x
  3. Step 3: Cross multiply
    934,491.80x = 1,399,769.40 × 934,491.80
  4. Step 4: Simplify right side
    934,491.80x = 1,308,073,026,190.92
  5. Step 5: Solve for x
    x = 1,308,073,026,190.92/934,491.80
  6. Step 6: Final answer
    x = 1,399,769.40

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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.