Finding the Fourth Proportional to 423,058.68, 583,817.22 and 232,072.02
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Solution
The fourth proportional to 423,058.68, 583,817.22 and 232,072.02 is: 320,257.33
Step by Step Solution
- Step 1: Write the proportion equation
423,058.68 : 583,817.22 = 232,072.02 : x - Step 2: Convert to fraction form
423,058.68/583,817.22 = 232,072.02/x - Step 3: Cross multiply
423,058.68x = 583,817.22 × 232,072.02 - Step 4: Simplify right side
423,058.68x = 135,487,641,556.18 - Step 5: Solve for x
x = 135,487,641,556.18/423,058.68 - Step 6: Final answer
x = 320,257.33
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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.