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Finding the Fourth Proportional to 366,578.88, 549,868.62 and 100,341.60

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Solution

The fourth proportional to 366,578.88, 549,868.62 and 100,341.60 is: 150,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,578.88 : 549,868.62 = 100,341.60 : x
  2. Step 2: Convert to fraction form
    366,578.88/549,868.62 = 100,341.60/x
  3. Step 3: Cross multiply
    366,578.88x = 549,868.62 × 100,341.60
  4. Step 4: Simplify right side
    366,578.88x = 55,174,697,120.59
  5. Step 5: Solve for x
    x = 55,174,697,120.59/366,578.88
  6. Step 6: Final answer
    x = 150,512.48

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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.