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Finding the Fourth Proportional to 366,964.99, 550,422.72 and 100,703.20

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Solution

The fourth proportional to 366,964.99, 550,422.72 and 100,703.20 is: 151,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,964.99 : 550,422.72 = 100,703.20 : x
  2. Step 2: Convert to fraction form
    366,964.99/550,422.72 = 100,703.20/x
  3. Step 3: Cross multiply
    366,964.99x = 550,422.72 × 100,703.20
  4. Step 4: Simplify right side
    366,964.99x = 55,429,329,256.70
  5. Step 5: Solve for x
    x = 55,429,329,256.70/366,964.99
  6. Step 6: Final answer
    x = 151,048.00

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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.