Finding the Fourth Proportional to 417,193.81, 575,433.69 and 403,305.44
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Solution
The fourth proportional to 417,193.81, 575,433.69 and 403,305.44 is: 556,277.52
Step by Step Solution
- Step 1: Write the proportion equation
417,193.81 : 575,433.69 = 403,305.44 : x - Step 2: Convert to fraction form
417,193.81/575,433.69 = 403,305.44/x - Step 3: Cross multiply
417,193.81x = 575,433.69 × 403,305.44 - Step 4: Simplify right side
417,193.81x = 232,075,537,536.27 - Step 5: Solve for x
x = 232,075,537,536.27/417,193.81 - Step 6: Final answer
x = 556,277.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.