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Finding the Fourth Proportional to 366,916.80, 549,856.80 and 271,401.60

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Solution

The fourth proportional to 366,916.80, 549,856.80 and 271,401.60 is: 406,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,916.80 : 549,856.80 = 271,401.60 : x
  2. Step 2: Convert to fraction form
    366,916.80/549,856.80 = 271,401.60/x
  3. Step 3: Cross multiply
    366,916.80x = 549,856.80 × 271,401.60
  4. Step 4: Simplify right side
    366,916.80x = 149,232,015,290.88
  5. Step 5: Solve for x
    x = 149,232,015,290.88/366,916.80
  6. Step 6: Final answer
    x = 406,718.95

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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.