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Finding the Fourth Proportional to 366,310.40, 549,022.72 and 188,720.52

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Solution

The fourth proportional to 366,310.40, 549,022.72 and 188,720.52 is: 282,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,310.40 : 549,022.72 = 188,720.52 : x
  2. Step 2: Convert to fraction form
    366,310.40/549,022.72 = 188,720.52/x
  3. Step 3: Cross multiply
    366,310.40x = 549,022.72 × 188,720.52
  4. Step 4: Simplify right side
    366,310.40x = 103,611,853,210.21
  5. Step 5: Solve for x
    x = 103,611,853,210.21/366,310.40
  6. Step 6: Final answer
    x = 282,852.61

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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.