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Finding the Fourth Proportional to 1,719,615.15, 2,579,447.03 and 654,715.44

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Solution

The fourth proportional to 1,719,615.15, 2,579,447.03 and 654,715.44 is: 982,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,615.15 : 2,579,447.03 = 654,715.44 : x
  2. Step 2: Convert to fraction form
    1,719,615.15/2,579,447.03 = 654,715.44/x
  3. Step 3: Cross multiply
    1,719,615.15x = 2,579,447.03 × 654,715.44
  4. Step 4: Simplify right side
    1,719,615.15x = 1,688,803,793,929.57
  5. Step 5: Solve for x
    x = 1,688,803,793,929.57/1,719,615.15
  6. Step 6: Final answer
    x = 982,082.41

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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.