Finding the Fourth Proportional to 717,983.88, 1,077,103.89 and 238,240.50
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Solution
The fourth proportional to 717,983.88, 1,077,103.89 and 238,240.50 is: 357,403.25
Step by Step Solution
- Step 1: Write the proportion equation
717,983.88 : 1,077,103.89 = 238,240.50 : x - Step 2: Convert to fraction form
717,983.88/1,077,103.89 = 238,240.50/x - Step 3: Cross multiply
717,983.88x = 1,077,103.89 × 238,240.50 - Step 4: Simplify right side
717,983.88x = 256,609,769,305.55 - Step 5: Solve for x
x = 256,609,769,305.55/717,983.88 - Step 6: Final answer
x = 357,403.25
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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.