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Finding the Fourth Proportional to 3,579,170.04, 5,368,061.90 and 1,390,735.94

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Solution

The fourth proportional to 3,579,170.04, 5,368,061.90 and 1,390,735.94 is: 2,085,834.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,170.04 : 5,368,061.90 = 1,390,735.94 : x
  2. Step 2: Convert to fraction form
    3,579,170.04/5,368,061.90 = 1,390,735.94/x
  3. Step 3: Cross multiply
    3,579,170.04x = 5,368,061.90 × 1,390,735.94
  4. Step 4: Simplify right side
    3,579,170.04x = 7,465,556,612,474.69
  5. Step 5: Solve for x
    x = 7,465,556,612,474.69/3,579,170.04
  6. Step 6: Final answer
    x = 2,085,834.57

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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.