Finding the Fourth Proportional to 533,857.69, 736,723.68 and 292,140.31
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Solution
The fourth proportional to 533,857.69, 736,723.68 and 292,140.31 is: 403,153.66
Step by Step Solution
- Step 1: Write the proportion equation
533,857.69 : 736,723.68 = 292,140.31 : x - Step 2: Convert to fraction form
533,857.69/736,723.68 = 292,140.31/x - Step 3: Cross multiply
533,857.69x = 736,723.68 × 292,140.31 - Step 4: Simplify right side
533,857.69x = 215,226,684,259.54 - Step 5: Solve for x
x = 215,226,684,259.54/533,857.69 - Step 6: Final answer
x = 403,153.66
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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.