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Finding the Fourth Proportional to 292,405.38, 403,586.08 and 190,250.62

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Solution

The fourth proportional to 292,405.38, 403,586.08 and 190,250.62 is: 262,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,405.38 : 403,586.08 = 190,250.62 : x
  2. Step 2: Convert to fraction form
    292,405.38/403,586.08 = 190,250.62/x
  3. Step 3: Cross multiply
    292,405.38x = 403,586.08 × 190,250.62
  4. Step 4: Simplify right side
    292,405.38x = 76,782,501,943.37
  5. Step 5: Solve for x
    x = 76,782,501,943.37/292,405.38
  6. Step 6: Final answer
    x = 262,589.22

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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.