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Finding the Fourth Proportional to 366,579.70, 549,869.55 and 360,674.80

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Solution

The fourth proportional to 366,579.70, 549,869.55 and 360,674.80 is: 541,012.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,579.70 : 549,869.55 = 360,674.80 : x
  2. Step 2: Convert to fraction form
    366,579.70/549,869.55 = 360,674.80/x
  3. Step 3: Cross multiply
    366,579.70x = 549,869.55 × 360,674.80
  4. Step 4: Simplify right side
    366,579.70x = 198,324,089,972.34
  5. Step 5: Solve for x
    x = 198,324,089,972.34/366,579.70
  6. Step 6: Final answer
    x = 541,012.20

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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.