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Finding the Fourth Proportional to 366,441.80, 549,225.30 and 188,857.40

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Solution

The fourth proportional to 366,441.80, 549,225.30 and 188,857.40 is: 283,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,441.80 : 549,225.30 = 188,857.40 : x
  2. Step 2: Convert to fraction form
    366,441.80/549,225.30 = 188,857.40/x
  3. Step 3: Cross multiply
    366,441.80x = 549,225.30 × 188,857.40
  4. Step 4: Simplify right side
    366,441.80x = 103,725,262,172.22
  5. Step 5: Solve for x
    x = 103,725,262,172.22/366,441.80
  6. Step 6: Final answer
    x = 283,060.67

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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.