Finding the Fourth Proportional to 402,929.78, 604,186.68 and 118,583.44
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Solution
The fourth proportional to 402,929.78, 604,186.68 and 118,583.44 is: 177,813.95
Step by Step Solution
- Step 1: Write the proportion equation
402,929.78 : 604,186.68 = 118,583.44 : x - Step 2: Convert to fraction form
402,929.78/604,186.68 = 118,583.44/x - Step 3: Cross multiply
402,929.78x = 604,186.68 × 118,583.44 - Step 4: Simplify right side
402,929.78x = 71,646,534,916.58 - Step 5: Solve for x
x = 71,646,534,916.58/402,929.78 - Step 6: Final answer
x = 177,813.95
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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.