Finding the Fourth Proportional to 369,747.08, 554,620.64 and 120,429.08
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Solution
The fourth proportional to 369,747.08, 554,620.64 and 120,429.08 is: 180,643.63
Step by Step Solution
- Step 1: Write the proportion equation
369,747.08 : 554,620.64 = 120,429.08 : x - Step 2: Convert to fraction form
369,747.08/554,620.64 = 120,429.08/x - Step 3: Cross multiply
369,747.08x = 554,620.64 × 120,429.08 - Step 4: Simplify right side
369,747.08x = 66,792,453,424.21 - Step 5: Solve for x
x = 66,792,453,424.21/369,747.08 - Step 6: Final answer
x = 180,643.63
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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.