Finding the Fourth Proportional to 484,701.75, 668,452.95 and 303,430.19
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Solution
The fourth proportional to 484,701.75, 668,452.95 and 303,430.19 is: 418,461.05
Step by Step Solution
- Step 1: Write the proportion equation
484,701.75 : 668,452.95 = 303,430.19 : x - Step 2: Convert to fraction form
484,701.75/668,452.95 = 303,430.19/x - Step 3: Cross multiply
484,701.75x = 668,452.95 × 303,430.19 - Step 4: Simplify right side
484,701.75x = 202,828,802,282.30 - Step 5: Solve for x
x = 202,828,802,282.30/484,701.75 - Step 6: Final answer
x = 418,461.05
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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.