Finding the Fourth Proportional to 692,232.95, 955,279.56 and 386,306.07
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Solution
The fourth proportional to 692,232.95, 955,279.56 and 386,306.07 is: 533,101.31
Step by Step Solution
- Step 1: Write the proportion equation
692,232.95 : 955,279.56 = 386,306.07 : x - Step 2: Convert to fraction form
692,232.95/955,279.56 = 386,306.07/x - Step 3: Cross multiply
692,232.95x = 955,279.56 × 386,306.07 - Step 4: Simplify right side
692,232.95x = 369,030,292,574.93 - Step 5: Solve for x
x = 369,030,292,574.93/692,232.95 - Step 6: Final answer
x = 533,101.31
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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.