Finding the Fourth Proportional to 593,115.30, 889,488.95 and 213,986.75
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Solution
The fourth proportional to 593,115.30, 889,488.95 and 213,986.75 is: 320,913.74
Step by Step Solution
- Step 1: Write the proportion equation
593,115.30 : 889,488.95 = 213,986.75 : x - Step 2: Convert to fraction form
593,115.30/889,488.95 = 213,986.75/x - Step 3: Cross multiply
593,115.30x = 889,488.95 × 213,986.75 - Step 4: Simplify right side
593,115.30x = 190,338,849,571.41 - Step 5: Solve for x
x = 190,338,849,571.41/593,115.30 - Step 6: Final answer
x = 320,913.74
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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.