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Finding the Fourth Proportional to 366,526.62, 549,738.90 and 100,310.40

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Solution

The fourth proportional to 366,526.62, 549,738.90 and 100,310.40 is: 150,451.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,526.62 : 549,738.90 = 100,310.40 : x
  2. Step 2: Convert to fraction form
    366,526.62/549,738.90 = 100,310.40/x
  3. Step 3: Cross multiply
    366,526.62x = 549,738.90 × 100,310.40
  4. Step 4: Simplify right side
    366,526.62x = 55,144,528,954.56
  5. Step 5: Solve for x
    x = 55,144,528,954.56/366,526.62
  6. Step 6: Final answer
    x = 150,451.63

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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.