Finding the Fourth Proportional to 527,395.14, 791,114.58 and 153,418.14
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Solution
The fourth proportional to 527,395.14, 791,114.58 and 153,418.14 is: 230,133.57
Step by Step Solution
- Step 1: Write the proportion equation
527,395.14 : 791,114.58 = 153,418.14 : x - Step 2: Convert to fraction form
527,395.14/791,114.58 = 153,418.14/x - Step 3: Cross multiply
527,395.14x = 791,114.58 × 153,418.14 - Step 4: Simplify right side
527,395.14x = 121,371,327,390.48 - Step 5: Solve for x
x = 121,371,327,390.48/527,395.14 - Step 6: Final answer
x = 230,133.57
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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.