Finding the Fourth Proportional to 338,338.08, 466,868.88 and 187,397.28
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Solution
The fourth proportional to 338,338.08, 466,868.88 and 187,397.28 is: 258,587.38
Step by Step Solution
- Step 1: Write the proportion equation
338,338.08 : 466,868.88 = 187,397.28 : x - Step 2: Convert to fraction form
338,338.08/466,868.88 = 187,397.28/x - Step 3: Cross multiply
338,338.08x = 466,868.88 × 187,397.28 - Step 4: Simplify right side
338,338.08x = 87,489,958,228.65 - Step 5: Solve for x
x = 87,489,958,228.65/338,338.08 - Step 6: Final answer
x = 258,587.38
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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.