Finding the Fourth Proportional to 508,763.08, 763,143.90 and 176,339.08
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Solution
The fourth proportional to 508,763.08, 763,143.90 and 176,339.08 is: 264,508.37
Step by Step Solution
- Step 1: Write the proportion equation
508,763.08 : 763,143.90 = 176,339.08 : x - Step 2: Convert to fraction form
508,763.08/763,143.90 = 176,339.08/x - Step 3: Cross multiply
508,763.08x = 763,143.90 × 176,339.08 - Step 4: Simplify right side
508,763.08x = 134,572,093,233.61 - Step 5: Solve for x
x = 134,572,093,233.61/508,763.08 - Step 6: Final answer
x = 264,508.37
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1.5x scale
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.