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Finding the Fourth Proportional to 1,047,815.21, 1,569,359.64 and 733,674.53

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Solution

The fourth proportional to 1,047,815.21, 1,569,359.64 and 733,674.53 is: 1,098,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,815.21 : 1,569,359.64 = 733,674.53 : x
  2. Step 2: Convert to fraction form
    1,047,815.21/1,569,359.64 = 733,674.53/x
  3. Step 3: Cross multiply
    1,047,815.21x = 1,569,359.64 × 733,674.53
  4. Step 4: Simplify right side
    1,047,815.21x = 1,151,399,196,277.97
  5. Step 5: Solve for x
    x = 1,151,399,196,277.97/1,047,815.21
  6. Step 6: Final answer
    x = 1,098,857.11

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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.