Finding the Fourth Proportional to 533,389.93, 736,078.79 and 303,937.18
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Solution
The fourth proportional to 533,389.93, 736,078.79 and 303,937.18 is: 419,433.70
Step by Step Solution
- Step 1: Write the proportion equation
533,389.93 : 736,078.79 = 303,937.18 : x - Step 2: Convert to fraction form
533,389.93/736,078.79 = 303,937.18/x - Step 3: Cross multiply
533,389.93x = 736,078.79 × 303,937.18 - Step 4: Simplify right side
533,389.93x = 223,721,710,610.06 - Step 5: Solve for x
x = 223,721,710,610.06/533,389.93 - Step 6: Final answer
x = 419,433.70
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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.