Finding the Fourth Proportional to 353,564.01, 487,908.99 and 192,415.64
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Solution
The fourth proportional to 353,564.01, 487,908.99 and 192,415.64 is: 265,528.49
Step by Step Solution
- Step 1: Write the proportion equation
353,564.01 : 487,908.99 = 192,415.64 : x - Step 2: Convert to fraction form
353,564.01/487,908.99 = 192,415.64/x - Step 3: Cross multiply
353,564.01x = 487,908.99 × 192,415.64 - Step 4: Simplify right side
353,564.01x = 93,881,318,133.06 - Step 5: Solve for x
x = 93,881,318,133.06/353,564.01 - Step 6: Final answer
x = 265,528.49
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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.