Finding the Fourth Proportional to 425,539.81, 587,237.93 and 234,570.97
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Solution
The fourth proportional to 425,539.81, 587,237.93 and 234,570.97 is: 323,704.07
Step by Step Solution
- Step 1: Write the proportion equation
425,539.81 : 587,237.93 = 234,570.97 : x - Step 2: Convert to fraction form
425,539.81/587,237.93 = 234,570.97/x - Step 3: Cross multiply
425,539.81x = 587,237.93 × 234,570.97 - Step 4: Simplify right side
425,539.81x = 137,748,967,924.70 - Step 5: Solve for x
x = 137,748,967,924.70/425,539.81 - Step 6: Final answer
x = 323,704.07
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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.