Finding the Fourth Proportional to 742,641.68, 1,113,984.12 and 181,676
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Solution
The fourth proportional to 742,641.68, 1,113,984.12 and 181,676 is: 272,519.28
Step by Step Solution
- Step 1: Write the proportion equation
742,641.68 : 1,113,984.12 = 181,676 : x - Step 2: Convert to fraction form
742,641.68/1,113,984.12 = 181,676/x - Step 3: Cross multiply
742,641.68x = 1,113,984.12 × 181,676 - Step 4: Simplify right side
742,641.68x = 202,384,178,985.12 - Step 5: Solve for x
x = 202,384,178,985.12/742,641.68 - Step 6: Final answer
x = 272,519.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.