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Finding the Fourth Proportional to 329,071.49, 493,607.24 and 79,753.49

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Solution

The fourth proportional to 329,071.49, 493,607.24 and 79,753.49 is: 119,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,071.49 : 493,607.24 = 79,753.49 : x
  2. Step 2: Convert to fraction form
    329,071.49/493,607.24 = 79,753.49/x
  3. Step 3: Cross multiply
    329,071.49x = 493,607.24 × 79,753.49
  4. Step 4: Simplify right side
    329,071.49x = 39,366,899,680.50
  5. Step 5: Solve for x
    x = 39,366,899,680.50/329,071.49
  6. Step 6: Final answer
    x = 119,630.24

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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.