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Finding the Fourth Proportional to 366,638.58, 549,584.20 and 334,316.42

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Solution

The fourth proportional to 366,638.58, 549,584.20 and 334,316.42 is: 501,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,638.58 : 549,584.20 = 334,316.42 : x
  2. Step 2: Convert to fraction form
    366,638.58/549,584.20 = 334,316.42/x
  3. Step 3: Cross multiply
    366,638.58x = 549,584.20 × 334,316.42
  4. Step 4: Simplify right side
    366,638.58x = 183,735,022,232.56
  5. Step 5: Solve for x
    x = 183,735,022,232.56/366,638.58
  6. Step 6: Final answer
    x = 501,133.90

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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.