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Finding the Fourth Proportional to 366,309.39, 549,021.22 and 188,719.53

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Solution

The fourth proportional to 366,309.39, 549,021.22 and 188,719.53 is: 282,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,309.39 : 549,021.22 = 188,719.53 : x
  2. Step 2: Convert to fraction form
    366,309.39/549,021.22 = 188,719.53/x
  3. Step 3: Cross multiply
    366,309.39x = 549,021.22 × 188,719.53
  4. Step 4: Simplify right side
    366,309.39x = 103,611,026,598.43
  5. Step 5: Solve for x
    x = 103,611,026,598.43/366,309.39
  6. Step 6: Final answer
    x = 282,851.13

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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.