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Finding the Fourth Proportional to 329,068.49, 493,602.74 and 79,750.49

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Solution

The fourth proportional to 329,068.49, 493,602.74 and 79,750.49 is: 119,625.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,068.49 : 493,602.74 = 79,750.49 : x
  2. Step 2: Convert to fraction form
    329,068.49/493,602.74 = 79,750.49/x
  3. Step 3: Cross multiply
    329,068.49x = 493,602.74 × 79,750.49
  4. Step 4: Simplify right side
    329,068.49x = 39,365,057,513.58
  5. Step 5: Solve for x
    x = 39,365,057,513.58/329,068.49
  6. Step 6: Final answer
    x = 119,625.73

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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.