Finding the Fourth Proportional to 474,272.19, 711,355.88 and 119,286.35
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Solution
The fourth proportional to 474,272.19, 711,355.88 and 119,286.35 is: 178,916.34
Step by Step Solution
- Step 1: Write the proportion equation
474,272.19 : 711,355.88 = 119,286.35 : x - Step 2: Convert to fraction form
474,272.19/711,355.88 = 119,286.35/x - Step 3: Cross multiply
474,272.19x = 711,355.88 × 119,286.35 - Step 4: Simplify right side
474,272.19x = 84,855,046,476.24 - Step 5: Solve for x
x = 84,855,046,476.24/474,272.19 - Step 6: Final answer
x = 178,916.34
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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.