Finding the Fourth Proportional to 366,248.98, 505,398.54 and 202,899.88
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Solution
The fourth proportional to 366,248.98, 505,398.54 and 202,899.88 is: 279,987.96
Step by Step Solution
- Step 1: Write the proportion equation
366,248.98 : 505,398.54 = 202,899.88 : x - Step 2: Convert to fraction form
366,248.98/505,398.54 = 202,899.88/x - Step 3: Cross multiply
366,248.98x = 505,398.54 × 202,899.88 - Step 4: Simplify right side
366,248.98x = 102,545,303,118.18 - Step 5: Solve for x
x = 102,545,303,118.18/366,248.98 - Step 6: Final answer
x = 279,987.96
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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.