Finding the Fourth Proportional to 411,017.04, 616,875.48 and 161,874
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Solution
The fourth proportional to 411,017.04, 616,875.48 and 161,874 is: 242,948.81
Step by Step Solution
- Step 1: Write the proportion equation
411,017.04 : 616,875.48 = 161,874 : x - Step 2: Convert to fraction form
411,017.04/616,875.48 = 161,874/x - Step 3: Cross multiply
411,017.04x = 616,875.48 × 161,874 - Step 4: Simplify right side
411,017.04x = 99,856,101,449.52 - Step 5: Solve for x
x = 99,856,101,449.52/411,017.04 - Step 6: Final answer
x = 242,948.81
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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.