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Finding the Fourth Proportional to 1,193,273.81, 1,787,548.75 and 1,043,683.01

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Solution

The fourth proportional to 1,193,273.81, 1,787,548.75 and 1,043,683.01 is: 1,563,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,273.81 : 1,787,548.75 = 1,043,683.01 : x
  2. Step 2: Convert to fraction form
    1,193,273.81/1,787,548.75 = 1,043,683.01/x
  3. Step 3: Cross multiply
    1,193,273.81x = 1,787,548.75 × 1,043,683.01
  4. Step 4: Simplify right side
    1,193,273.81x = 1,865,634,260,476.80
  5. Step 5: Solve for x
    x = 1,865,634,260,476.80/1,193,273.81
  6. Step 6: Final answer
    x = 1,563,458.65

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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.