Finding the Fourth Proportional to 691,930.18, 1,037,818.05 and 186,541.48
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Solution
The fourth proportional to 691,930.18, 1,037,818.05 and 186,541.48 is: 279,791.40
Step by Step Solution
- Step 1: Write the proportion equation
691,930.18 : 1,037,818.05 = 186,541.48 : x - Step 2: Convert to fraction form
691,930.18/1,037,818.05 = 186,541.48/x - Step 3: Cross multiply
691,930.18x = 1,037,818.05 × 186,541.48 - Step 4: Simplify right side
691,930.18x = 193,596,115,017.71 - Step 5: Solve for x
x = 193,596,115,017.71/691,930.18 - Step 6: Final answer
x = 279,791.40
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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.