Finding the Fourth Proportional to 346,893.57, 520,332.26 and 159,905.07
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Solution
The fourth proportional to 346,893.57, 520,332.26 and 159,905.07 is: 239,853.87
Step by Step Solution
- Step 1: Write the proportion equation
346,893.57 : 520,332.26 = 159,905.07 : x - Step 2: Convert to fraction form
346,893.57/520,332.26 = 159,905.07/x - Step 3: Cross multiply
346,893.57x = 520,332.26 × 159,905.07 - Step 4: Simplify right side
346,893.57x = 83,203,765,659.03 - Step 5: Solve for x
x = 83,203,765,659.03/346,893.57 - Step 6: Final answer
x = 239,853.87
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1.5x scale
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.