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Finding the Fourth Proportional to 1,995,733.56, 2,995,492.95 and 1,235,274.72

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Solution

The fourth proportional to 1,995,733.56, 2,995,492.95 and 1,235,274.72 is: 1,854,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,733.56 : 2,995,492.95 = 1,235,274.72 : x
  2. Step 2: Convert to fraction form
    1,995,733.56/2,995,492.95 = 1,235,274.72/x
  3. Step 3: Cross multiply
    1,995,733.56x = 2,995,492.95 × 1,235,274.72
  4. Step 4: Simplify right side
    1,995,733.56x = 3,700,256,715,073.22
  5. Step 5: Solve for x
    x = 3,700,256,715,073.22/1,995,733.56
  6. Step 6: Final answer
    x = 1,854,083.53

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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.