Finding the Fourth Proportional to 294,985.64, 442,429.50 and 126,533
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Solution
The fourth proportional to 294,985.64, 442,429.50 and 126,533 is: 189,778.50
Step by Step Solution
- Step 1: Write the proportion equation
294,985.64 : 442,429.50 = 126,533 : x - Step 2: Convert to fraction form
294,985.64/442,429.50 = 126,533/x - Step 3: Cross multiply
294,985.64x = 442,429.50 × 126,533 - Step 4: Simplify right side
294,985.64x = 55,981,931,923.50 - Step 5: Solve for x
x = 55,981,931,923.50/294,985.64 - Step 6: Final answer
x = 189,778.50
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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.