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Finding the Fourth Proportional to 469,798.56, 704,464.20 and 149,908.50

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Solution

The fourth proportional to 469,798.56, 704,464.20 and 149,908.50 is: 224,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,798.56 : 704,464.20 = 149,908.50 : x
  2. Step 2: Convert to fraction form
    469,798.56/704,464.20 = 149,908.50/x
  3. Step 3: Cross multiply
    469,798.56x = 704,464.20 × 149,908.50
  4. Step 4: Simplify right side
    469,798.56x = 105,605,171,525.70
  5. Step 5: Solve for x
    x = 105,605,171,525.70/469,798.56
  6. Step 6: Final answer
    x = 224,788.20

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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.