Finding the Fourth Proportional to 517,719.99, 714,674.03 and 348,052.53
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Solution
The fourth proportional to 517,719.99, 714,674.03 and 348,052.53 is: 480,460.69
Step by Step Solution
- Step 1: Write the proportion equation
517,719.99 : 714,674.03 = 348,052.53 : x - Step 2: Convert to fraction form
517,719.99/714,674.03 = 348,052.53/x - Step 3: Cross multiply
517,719.99x = 714,674.03 × 348,052.53 - Step 4: Simplify right side
517,719.99x = 248,744,102,526.53 - Step 5: Solve for x
x = 248,744,102,526.53/517,719.99 - Step 6: Final answer
x = 480,460.69
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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.