Finding the Fourth Proportional to 366,376.44, 549,575.46 and 312,730.18
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Solution
The fourth proportional to 366,376.44, 549,575.46 and 312,730.18 is: 469,104.49
Step by Step Solution
- Step 1: Write the proportion equation
366,376.44 : 549,575.46 = 312,730.18 : x - Step 2: Convert to fraction form
366,376.44/549,575.46 = 312,730.18/x - Step 3: Cross multiply
366,376.44x = 549,575.46 × 312,730.18 - Step 4: Simplify right side
366,376.44x = 171,868,832,529.38 - Step 5: Solve for x
x = 171,868,832,529.38/366,376.44 - Step 6: Final answer
x = 469,104.49
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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.