Finding the Fourth Proportional to 468,831.24, 646,984.44 and 253,975.44
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Solution
The fourth proportional to 468,831.24, 646,984.44 and 253,975.44 is: 350,484.66
Step by Step Solution
- Step 1: Write the proportion equation
468,831.24 : 646,984.44 = 253,975.44 : x - Step 2: Convert to fraction form
468,831.24/646,984.44 = 253,975.44/x - Step 3: Cross multiply
468,831.24x = 646,984.44 × 253,975.44 - Step 4: Simplify right side
468,831.24x = 164,318,157,822.15 - Step 5: Solve for x
x = 164,318,157,822.15/468,831.24 - Step 6: Final answer
x = 350,484.66
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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.