Finding the Fourth Proportional to 572,889.96, 859,335.26 and 217,821.96
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Solution
The fourth proportional to 572,889.96, 859,335.26 and 217,821.96 is: 326,733.06
Step by Step Solution
- Step 1: Write the proportion equation
572,889.96 : 859,335.26 = 217,821.96 : x - Step 2: Convert to fraction form
572,889.96/859,335.26 = 217,821.96/x - Step 3: Cross multiply
572,889.96x = 859,335.26 × 217,821.96 - Step 4: Simplify right side
572,889.96x = 187,182,090,630.31 - Step 5: Solve for x
x = 187,182,090,630.31/572,889.96 - Step 6: Final answer
x = 326,733.06
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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.