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Finding the Fourth Proportional to 329,113.76, 493,670.65 and 79,795.76

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Solution

The fourth proportional to 329,113.76, 493,670.65 and 79,795.76 is: 119,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,113.76 : 493,670.65 = 79,795.76 : x
  2. Step 2: Convert to fraction form
    329,113.76/493,670.65 = 79,795.76/x
  3. Step 3: Cross multiply
    329,113.76x = 493,670.65 × 79,795.76
  4. Step 4: Simplify right side
    329,113.76x = 39,392,824,706.44
  5. Step 5: Solve for x
    x = 39,392,824,706.44/329,113.76
  6. Step 6: Final answer
    x = 119,693.64

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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.