Finding the Fourth Proportional to 354,282.84, 531,308.70 and 117,561.96
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Solution
The fourth proportional to 354,282.84, 531,308.70 and 117,561.96 is: 176,304.59
Step by Step Solution
- Step 1: Write the proportion equation
354,282.84 : 531,308.70 = 117,561.96 : x - Step 2: Convert to fraction form
354,282.84/531,308.70 = 117,561.96/x - Step 3: Cross multiply
354,282.84x = 531,308.70 × 117,561.96 - Step 4: Simplify right side
354,282.84x = 62,461,692,137.05 - Step 5: Solve for x
x = 62,461,692,137.05/354,282.84 - Step 6: Final answer
x = 176,304.59
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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.