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Finding the Fourth Proportional to 292,991.50, 404,328.27 and 158,855.50

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Solution

The fourth proportional to 292,991.50, 404,328.27 and 158,855.50 is: 219,220.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,991.50 : 404,328.27 = 158,855.50 : x
  2. Step 2: Convert to fraction form
    292,991.50/404,328.27 = 158,855.50/x
  3. Step 3: Cross multiply
    292,991.50x = 404,328.27 × 158,855.50
  4. Step 4: Simplify right side
    292,991.50x = 64,229,769,494.99
  5. Step 5: Solve for x
    x = 64,229,769,494.99/292,991.50
  6. Step 6: Final answer
    x = 219,220.59

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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.