Finding the Fourth Proportional to 585,916.19, 808,586.12 and 331,252.19
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Solution
The fourth proportional to 585,916.19, 808,586.12 and 331,252.19 is: 457,140.33
Step by Step Solution
- Step 1: Write the proportion equation
585,916.19 : 808,586.12 = 331,252.19 : x - Step 2: Convert to fraction form
585,916.19/808,586.12 = 331,252.19/x - Step 3: Cross multiply
585,916.19x = 808,586.12 × 331,252.19 - Step 4: Simplify right side
585,916.19x = 267,845,921,397.34 - Step 5: Solve for x
x = 267,845,921,397.34/585,916.19 - Step 6: Final answer
x = 457,140.33
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Double scale
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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.