Finding the Fourth Proportional to 301,607.55, 452,411.03 and 76,967.99
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Solution
The fourth proportional to 301,607.55, 452,411.03 and 76,967.99 is: 115,451.90
Step by Step Solution
- Step 1: Write the proportion equation
301,607.55 : 452,411.03 = 76,967.99 : x - Step 2: Convert to fraction form
301,607.55/452,411.03 = 76,967.99/x - Step 3: Cross multiply
301,607.55x = 452,411.03 × 76,967.99 - Step 4: Simplify right side
301,607.55x = 34,821,164,986.03 - Step 5: Solve for x
x = 34,821,164,986.03/301,607.55 - Step 6: Final answer
x = 115,451.90
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1.5x scale
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.