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Finding the Fourth Proportional to 292,662.69, 438,993.93 and 82,300.62

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Solution

The fourth proportional to 292,662.69, 438,993.93 and 82,300.62 is: 123,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,662.69 : 438,993.93 = 82,300.62 : x
  2. Step 2: Convert to fraction form
    292,662.69/438,993.93 = 82,300.62/x
  3. Step 3: Cross multiply
    292,662.69x = 438,993.93 × 82,300.62
  4. Step 4: Simplify right side
    292,662.69x = 36,129,472,615.24
  5. Step 5: Solve for x
    x = 36,129,472,615.24/292,662.69
  6. Step 6: Final answer
    x = 123,450.90

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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.