Finding the Fourth Proportional to 306,615.99, 459,926.08 and 117,025.23
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Solution
The fourth proportional to 306,615.99, 459,926.08 and 117,025.23 is: 175,538.64
Step by Step Solution
- Step 1: Write the proportion equation
306,615.99 : 459,926.08 = 117,025.23 : x - Step 2: Convert to fraction form
306,615.99/459,926.08 = 117,025.23/x - Step 3: Cross multiply
306,615.99x = 459,926.08 × 117,025.23 - Step 4: Simplify right side
306,615.99x = 53,822,955,002.44 - Step 5: Solve for x
x = 53,822,955,002.44/306,615.99 - Step 6: Final answer
x = 175,538.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.