Finding the Fourth Proportional to 619,771.68, 855,368.37 and 347,854.44
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Solution
The fourth proportional to 619,771.68, 855,368.37 and 347,854.44 is: 480,085.97
Step by Step Solution
- Step 1: Write the proportion equation
619,771.68 : 855,368.37 = 347,854.44 : x - Step 2: Convert to fraction form
619,771.68/855,368.37 = 347,854.44/x - Step 3: Cross multiply
619,771.68x = 855,368.37 × 347,854.44 - Step 4: Simplify right side
619,771.68x = 297,543,685,340.06 - Step 5: Solve for x
x = 297,543,685,340.06/619,771.68 - Step 6: Final answer
x = 480,085.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.