Finding the Fourth Proportional to 316,710.14, 474,982.16 and 117,087.62
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Solution
The fourth proportional to 316,710.14, 474,982.16 and 117,087.62 is: 175,600.72
Step by Step Solution
- Step 1: Write the proportion equation
316,710.14 : 474,982.16 = 117,087.62 : x - Step 2: Convert to fraction form
316,710.14/474,982.16 = 117,087.62/x - Step 3: Cross multiply
316,710.14x = 474,982.16 × 117,087.62 - Step 4: Simplify right side
316,710.14x = 55,614,527,696.51 - Step 5: Solve for x
x = 55,614,527,696.51/316,710.14 - Step 6: Final answer
x = 175,600.72
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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.