Finding the Fourth Proportional to 578,474.42, 867,569.99 and 241,517.84
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Solution
The fourth proportional to 578,474.42, 867,569.99 and 241,517.84 is: 362,217.62
Step by Step Solution
- Step 1: Write the proportion equation
578,474.42 : 867,569.99 = 241,517.84 : x - Step 2: Convert to fraction form
578,474.42/867,569.99 = 241,517.84/x - Step 3: Cross multiply
578,474.42x = 867,569.99 × 241,517.84 - Step 4: Simplify right side
578,474.42x = 209,533,624,488.18 - Step 5: Solve for x
x = 209,533,624,488.18/578,474.42 - Step 6: Final answer
x = 362,217.62
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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.