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Finding the Fourth Proportional to 366,021.40, 549,906.90 and 327,530.20

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Solution

The fourth proportional to 366,021.40, 549,906.90 and 327,530.20 is: 492,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,021.40 : 549,906.90 = 327,530.20 : x
  2. Step 2: Convert to fraction form
    366,021.40/549,906.90 = 327,530.20/x
  3. Step 3: Cross multiply
    366,021.40x = 549,906.90 × 327,530.20
  4. Step 4: Simplify right side
    366,021.40x = 180,111,116,938.38
  5. Step 5: Solve for x
    x = 180,111,116,938.38/366,021.40
  6. Step 6: Final answer
    x = 492,078.11

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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.