Finding the Fourth Proportional to 426,292.08, 588,279.78 and 235,305.42
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Solution
The fourth proportional to 426,292.08, 588,279.78 and 235,305.42 is: 324,719.66
Step by Step Solution
- Step 1: Write the proportion equation
426,292.08 : 588,279.78 = 235,305.42 : x - Step 2: Convert to fraction form
426,292.08/588,279.78 = 235,305.42/x - Step 3: Cross multiply
426,292.08x = 588,279.78 × 235,305.42 - Step 4: Simplify right side
426,292.08x = 138,425,420,710.41 - Step 5: Solve for x
x = 138,425,420,710.41/426,292.08 - Step 6: Final answer
x = 324,719.66
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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.