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Finding the Fourth Proportional to 366,473.70, 549,710.55 and 271,995.30

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Solution

The fourth proportional to 366,473.70, 549,710.55 and 271,995.30 is: 407,992.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,473.70 : 549,710.55 = 271,995.30 : x
  2. Step 2: Convert to fraction form
    366,473.70/549,710.55 = 271,995.30/x
  3. Step 3: Cross multiply
    366,473.70x = 549,710.55 × 271,995.30
  4. Step 4: Simplify right side
    366,473.70x = 149,518,685,960.42
  5. Step 5: Solve for x
    x = 149,518,685,960.42/366,473.70
  6. Step 6: Final answer
    x = 407,992.95

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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.