Finding the Fourth Proportional to 422,494.32, 583,118.70 and 269,580
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Solution
The fourth proportional to 422,494.32, 583,118.70 and 269,580 is: 372,069.24
Step by Step Solution
- Step 1: Write the proportion equation
422,494.32 : 583,118.70 = 269,580 : x - Step 2: Convert to fraction form
422,494.32/583,118.70 = 269,580/x - Step 3: Cross multiply
422,494.32x = 583,118.70 × 269,580 - Step 4: Simplify right side
422,494.32x = 157,197,139,146 - Step 5: Solve for x
x = 157,197,139,146/422,494.32 - Step 6: Final answer
x = 372,069.24
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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.