Finding the Fourth Proportional to 294,669.18, 406,643.19 and 160,533.18
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Solution
The fourth proportional to 294,669.18, 406,643.19 and 160,533.18 is: 221,535.64
Step by Step Solution
- Step 1: Write the proportion equation
294,669.18 : 406,643.19 = 160,533.18 : x - Step 2: Convert to fraction form
294,669.18/406,643.19 = 160,533.18/x - Step 3: Cross multiply
294,669.18x = 406,643.19 × 160,533.18 - Step 4: Simplify right side
294,669.18x = 65,279,724,416.04 - Step 5: Solve for x
x = 65,279,724,416.04/294,669.18 - Step 6: Final answer
x = 221,535.64
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1.5x scale
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.