Finding the Fourth Proportional to 427,707.84, 590,136.51 and 292,024.35
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Solution
The fourth proportional to 427,707.84, 590,136.51 and 292,024.35 is: 402,925.12
Step by Step Solution
- Step 1: Write the proportion equation
427,707.84 : 590,136.51 = 292,024.35 : x - Step 2: Convert to fraction form
427,707.84/590,136.51 = 292,024.35/x - Step 3: Cross multiply
427,707.84x = 590,136.51 × 292,024.35 - Step 4: Simplify right side
427,707.84x = 172,334,230,744.02 - Step 5: Solve for x
x = 172,334,230,744.02/427,707.84 - Step 6: Final answer
x = 402,925.12
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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.