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Finding the Fourth Proportional to 671,696.64, 926,928.03 and 365,776.65

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Solution

The fourth proportional to 671,696.64, 926,928.03 and 365,776.65 is: 504,764.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,696.64 : 926,928.03 = 365,776.65 : x
  2. Step 2: Convert to fraction form
    671,696.64/926,928.03 = 365,776.65/x
  3. Step 3: Cross multiply
    671,696.64x = 926,928.03 × 365,776.65
  4. Step 4: Simplify right side
    671,696.64x = 339,048,629,604.50
  5. Step 5: Solve for x
    x = 339,048,629,604.50/671,696.64
  6. Step 6: Final answer
    x = 504,764.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.