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Finding the Fourth Proportional to 292,663.69, 438,995.41 and 82,301.62

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Solution

The fourth proportional to 292,663.69, 438,995.41 and 82,301.62 is: 123,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,663.69 : 438,995.41 = 82,301.62 : x
  2. Step 2: Convert to fraction form
    292,663.69/438,995.41 = 82,301.62/x
  3. Step 3: Cross multiply
    292,663.69x = 438,995.41 × 82,301.62
  4. Step 4: Simplify right side
    292,663.69x = 36,130,033,415.56
  5. Step 5: Solve for x
    x = 36,130,033,415.56/292,663.69
  6. Step 6: Final answer
    x = 123,452.39

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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.