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Finding the Fourth Proportional to 419,938.00, 630,168.23 and 170,620.00

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Solution

The fourth proportional to 419,938.00, 630,168.23 and 170,620.00 is: 256,036.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,938.00 : 630,168.23 = 170,620.00 : x
  2. Step 2: Convert to fraction form
    419,938.00/630,168.23 = 170,620.00/x
  3. Step 3: Cross multiply
    419,938.00x = 630,168.23 × 170,620.00
  4. Step 4: Simplify right side
    419,938.00x = 107,519,302,253.73
  5. Step 5: Solve for x
    x = 107,519,302,253.73/419,938.00
  6. Step 6: Final answer
    x = 256,036.14

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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.