Finding the Fourth Proportional to 354,546.13, 531,823.82 and 117,888.81
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Solution
The fourth proportional to 354,546.13, 531,823.82 and 117,888.81 is: 176,834.75
Step by Step Solution
- Step 1: Write the proportion equation
354,546.13 : 531,823.82 = 117,888.81 : x - Step 2: Convert to fraction form
354,546.13/531,823.82 = 117,888.81/x - Step 3: Cross multiply
354,546.13x = 531,823.82 × 117,888.81 - Step 4: Simplify right side
354,546.13x = 62,696,077,269.45 - Step 5: Solve for x
x = 62,696,077,269.45/354,546.13 - Step 6: Final answer
x = 176,834.75
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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.