Finding the Fourth Proportional to 319,826.01, 441,366.78 and 176,595.12
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Solution
The fourth proportional to 319,826.01, 441,366.78 and 176,595.12 is: 243,705.07
Step by Step Solution
- Step 1: Write the proportion equation
319,826.01 : 441,366.78 = 176,595.12 : x - Step 2: Convert to fraction form
319,826.01/441,366.78 = 176,595.12/x - Step 3: Cross multiply
319,826.01x = 441,366.78 × 176,595.12 - Step 4: Simplify right side
319,826.01x = 77,943,219,478.11 - Step 5: Solve for x
x = 77,943,219,478.11/319,826.01 - Step 6: Final answer
x = 243,705.07
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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.