Finding the Fourth Proportional to 307,574.05, 461,427.95 and 94,342.81
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Solution
The fourth proportional to 307,574.05, 461,427.95 and 94,342.81 is: 141,534.73
Step by Step Solution
- Step 1: Write the proportion equation
307,574.05 : 461,427.95 = 94,342.81 : x - Step 2: Convert to fraction form
307,574.05/461,427.95 = 94,342.81/x - Step 3: Cross multiply
307,574.05x = 461,427.95 × 94,342.81 - Step 4: Simplify right side
307,574.05x = 43,532,409,415.54 - Step 5: Solve for x
x = 43,532,409,415.54/307,574.05 - Step 6: Final answer
x = 141,534.73
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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.