Finding the Fourth Proportional to 357,232, 535,687.44 and 256,972
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Solution
The fourth proportional to 357,232, 535,687.44 and 256,972 is: 385,342.50
Step by Step Solution
- Step 1: Write the proportion equation
357,232 : 535,687.44 = 256,972 : x - Step 2: Convert to fraction form
357,232/535,687.44 = 256,972/x - Step 3: Cross multiply
357,232x = 535,687.44 × 256,972 - Step 4: Simplify right side
357,232x = 137,656,672,831.68 - Step 5: Solve for x
x = 137,656,672,831.68/357,232 - Step 6: Final answer
x = 385,342.50
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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.