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Finding the Fourth Proportional to 373,219.63, 559,830.89 and 113,559.78

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Solution

The fourth proportional to 373,219.63, 559,830.89 and 113,559.78 is: 170,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,219.63 : 559,830.89 = 113,559.78 : x
  2. Step 2: Convert to fraction form
    373,219.63/559,830.89 = 113,559.78/x
  3. Step 3: Cross multiply
    373,219.63x = 559,830.89 × 113,559.78
  4. Step 4: Simplify right side
    373,219.63x = 63,574,271,301.05
  5. Step 5: Solve for x
    x = 63,574,271,301.05/373,219.63
  6. Step 6: Final answer
    x = 170,340.10

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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.