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Finding the Fourth Proportional to 366,940.65, 549,879.76 and 252,971.47

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Solution

The fourth proportional to 366,940.65, 549,879.76 and 252,971.47 is: 379,090.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,940.65 : 549,879.76 = 252,971.47 : x
  2. Step 2: Convert to fraction form
    366,940.65/549,879.76 = 252,971.47/x
  3. Step 3: Cross multiply
    366,940.65x = 549,879.76 × 252,971.47
  4. Step 4: Simplify right side
    366,940.65x = 139,103,891,210.45
  5. Step 5: Solve for x
    x = 139,103,891,210.45/366,940.65
  6. Step 6: Final answer
    x = 379,090.98

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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.