Finding the Fourth Proportional to 473,613.75, 653,586.98 and 272,409.75
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Solution
The fourth proportional to 473,613.75, 653,586.98 and 272,409.75 is: 375,925.46
Step by Step Solution
- Step 1: Write the proportion equation
473,613.75 : 653,586.98 = 272,409.75 : x - Step 2: Convert to fraction form
473,613.75/653,586.98 = 272,409.75/x - Step 3: Cross multiply
473,613.75x = 653,586.98 × 272,409.75 - Step 4: Simplify right side
473,613.75x = 178,043,464,463.01 - Step 5: Solve for x
x = 178,043,464,463.01/473,613.75 - Step 6: Final answer
x = 375,925.46
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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.