Finding the Fourth Proportional to 702,543.84, 969,272.62 and 457,416.68
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Solution
The fourth proportional to 702,543.84, 969,272.62 and 457,416.68 is: 631,080.14
Step by Step Solution
- Step 1: Write the proportion equation
702,543.84 : 969,272.62 = 457,416.68 : x - Step 2: Convert to fraction form
702,543.84/969,272.62 = 457,416.68/x - Step 3: Cross multiply
702,543.84x = 969,272.62 × 457,416.68 - Step 4: Simplify right side
702,543.84x = 443,361,463,855.30 - Step 5: Solve for x
x = 443,361,463,855.30/702,543.84 - Step 6: Final answer
x = 631,080.14
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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.