Finding the Fourth Proportional to 527,452.80, 791,200.80 and 153,475.80
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Solution
The fourth proportional to 527,452.80, 791,200.80 and 153,475.80 is: 230,219.99
Step by Step Solution
- Step 1: Write the proportion equation
527,452.80 : 791,200.80 = 153,475.80 : x - Step 2: Convert to fraction form
527,452.80/791,200.80 = 153,475.80/x - Step 3: Cross multiply
527,452.80x = 791,200.80 × 153,475.80 - Step 4: Simplify right side
527,452.80x = 121,430,175,740.64 - Step 5: Solve for x
x = 121,430,175,740.64/527,452.80 - Step 6: Final answer
x = 230,219.99
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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.