Finding the Fourth Proportional to 705,527.09, 973,644.95 and 383,237.09
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Solution
The fourth proportional to 705,527.09, 973,644.95 and 383,237.09 is: 528,876.73
Step by Step Solution
- Step 1: Write the proportion equation
705,527.09 : 973,644.95 = 383,237.09 : x - Step 2: Convert to fraction form
705,527.09/973,644.95 = 383,237.09/x - Step 3: Cross multiply
705,527.09x = 973,644.95 × 383,237.09 - Step 4: Simplify right side
705,527.09x = 373,136,857,331.20 - Step 5: Solve for x
x = 373,136,857,331.20/705,527.09 - Step 6: Final answer
x = 528,876.73
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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.