Finding the Fourth Proportional to 372,551.35, 514,106.57 and 211,396.79
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Solution
The fourth proportional to 372,551.35, 514,106.57 and 211,396.79 is: 291,719.46
Step by Step Solution
- Step 1: Write the proportion equation
372,551.35 : 514,106.57 = 211,396.79 : x - Step 2: Convert to fraction form
372,551.35/514,106.57 = 211,396.79/x - Step 3: Cross multiply
372,551.35x = 514,106.57 × 211,396.79 - Step 4: Simplify right side
372,551.35x = 108,680,478,615.91 - Step 5: Solve for x
x = 108,680,478,615.91/372,551.35 - Step 6: Final answer
x = 291,719.46
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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.