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Finding the Fourth Proportional to 453,113.44, 679,245.60 and 153,384.32

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Solution

The fourth proportional to 453,113.44, 679,245.60 and 153,384.32 is: 229,932.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,113.44 : 679,245.60 = 153,384.32 : x
  2. Step 2: Convert to fraction form
    453,113.44/679,245.60 = 153,384.32/x
  3. Step 3: Cross multiply
    453,113.44x = 679,245.60 × 153,384.32
  4. Step 4: Simplify right side
    453,113.44x = 104,185,624,468.99
  5. Step 5: Solve for x
    x = 104,185,624,468.99/453,113.44
  6. Step 6: Final answer
    x = 229,932.76

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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.