Finding the Fourth Proportional to 362,291.84, 543,437.40 and 237,603.68
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Solution
The fourth proportional to 362,291.84, 543,437.40 and 237,603.68 is: 356,405.28
Step by Step Solution
- Step 1: Write the proportion equation
362,291.84 : 543,437.40 = 237,603.68 : x - Step 2: Convert to fraction form
362,291.84/543,437.40 = 237,603.68/x - Step 3: Cross multiply
362,291.84x = 543,437.40 × 237,603.68 - Step 4: Simplify right side
362,291.84x = 129,122,726,089.63 - Step 5: Solve for x
x = 129,122,726,089.63/362,291.84 - Step 6: Final answer
x = 356,405.28
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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.