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Finding the Fourth Proportional to 366,860.40, 549,599.40 and 188,761.20

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Solution

The fourth proportional to 366,860.40, 549,599.40 and 188,761.20 is: 282,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,860.40 : 549,599.40 = 188,761.20 : x
  2. Step 2: Convert to fraction form
    366,860.40/549,599.40 = 188,761.20/x
  3. Step 3: Cross multiply
    366,860.40x = 549,599.40 × 188,761.20
  4. Step 4: Simplify right side
    366,860.40x = 103,743,042,263.28
  5. Step 5: Solve for x
    x = 103,743,042,263.28/366,860.40
  6. Step 6: Final answer
    x = 282,786.16

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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.