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Finding the Fourth Proportional to 366,927.30, 549,872.55 and 271,412.10

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Solution

The fourth proportional to 366,927.30, 549,872.55 and 271,412.10 is: 406,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,927.30 : 549,872.55 = 271,412.10 : x
  2. Step 2: Convert to fraction form
    366,927.30/549,872.55 = 271,412.10/x
  3. Step 3: Cross multiply
    366,927.30x = 549,872.55 × 271,412.10
  4. Step 4: Simplify right side
    366,927.30x = 149,242,063,527.86
  5. Step 5: Solve for x
    x = 149,242,063,527.86/366,927.30
  6. Step 6: Final answer
    x = 406,734.70

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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.