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Finding the Fourth Proportional to 1,946,455.65, 2,919,683.48 and 1,946,455.65

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Solution

The fourth proportional to 1,946,455.65, 2,919,683.48 and 1,946,455.65 is: 2,919,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,946,455.65 : 2,919,683.48 = 1,946,455.65 : x
  2. Step 2: Convert to fraction form
    1,946,455.65/2,919,683.48 = 1,946,455.65/x
  3. Step 3: Cross multiply
    1,946,455.65x = 2,919,683.48 × 1,946,455.65
  4. Step 4: Simplify right side
    1,946,455.65x = 5,683,034,396,125.38
  5. Step 5: Solve for x
    x = 5,683,034,396,125.38/1,946,455.65
  6. Step 6: Final answer
    x = 2,919,683.48

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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.