Finding the Fourth Proportional to 516,566.76, 772,583.88 and 460,039.26
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Solution
The fourth proportional to 516,566.76, 772,583.88 and 460,039.26 is: 688,040.63
Step by Step Solution
- Step 1: Write the proportion equation
516,566.76 : 772,583.88 = 460,039.26 : x - Step 2: Convert to fraction form
516,566.76/772,583.88 = 460,039.26/x - Step 3: Cross multiply
516,566.76x = 772,583.88 × 460,039.26 - Step 4: Simplify right side
516,566.76x = 355,418,916,443.13 - Step 5: Solve for x
x = 355,418,916,443.13/516,566.76 - Step 6: Final answer
x = 688,040.63
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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.