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Finding the Fourth Proportional to 329,116.36, 493,674.68 and 79,798.36

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Solution

The fourth proportional to 329,116.36, 493,674.68 and 79,798.36 is: 119,697.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,116.36 : 493,674.68 = 79,798.36 : x
  2. Step 2: Convert to fraction form
    329,116.36/493,674.68 = 79,798.36/x
  3. Step 3: Cross multiply
    329,116.36x = 493,674.68 × 79,798.36
  4. Step 4: Simplify right side
    329,116.36x = 39,394,429,837.52
  5. Step 5: Solve for x
    x = 39,394,429,837.52/329,116.36
  6. Step 6: Final answer
    x = 119,697.57

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1.5x scale

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.