Finding the Fourth Proportional to 452,473.93, 624,419.16 and 248,529.63
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Solution
The fourth proportional to 452,473.93, 624,419.16 and 248,529.63 is: 342,973.71
Step by Step Solution
- Step 1: Write the proportion equation
452,473.93 : 624,419.16 = 248,529.63 : x - Step 2: Convert to fraction form
452,473.93/624,419.16 = 248,529.63/x - Step 3: Cross multiply
452,473.93x = 624,419.16 × 248,529.63 - Step 4: Simplify right side
452,473.93x = 155,186,662,799.71 - Step 5: Solve for x
x = 155,186,662,799.71/452,473.93 - Step 6: Final answer
x = 342,973.71
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1.5x scale
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.