Finding the Fourth Proportional to 403,924.02, 557,382.38 and 234,169.08
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Solution
The fourth proportional to 403,924.02, 557,382.38 and 234,169.08 is: 323,134.33
Step by Step Solution
- Step 1: Write the proportion equation
403,924.02 : 557,382.38 = 234,169.08 : x - Step 2: Convert to fraction form
403,924.02/557,382.38 = 234,169.08/x - Step 3: Cross multiply
403,924.02x = 557,382.38 × 234,169.08 - Step 4: Simplify right side
403,924.02x = 130,521,717,961.97 - Step 5: Solve for x
x = 130,521,717,961.97/403,924.02 - Step 6: Final answer
x = 323,134.33
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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.