Finding the Fourth Proportional to 645,465.15, 968,197.73 and 467,135.55
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Solution
The fourth proportional to 645,465.15, 968,197.73 and 467,135.55 is: 700,703.33
Step by Step Solution
- Step 1: Write the proportion equation
645,465.15 : 968,197.73 = 467,135.55 : x - Step 2: Convert to fraction form
645,465.15/968,197.73 = 467,135.55/x - Step 3: Cross multiply
645,465.15x = 968,197.73 × 467,135.55 - Step 4: Simplify right side
645,465.15x = 452,279,576,776.62 - Step 5: Solve for x
x = 452,279,576,776.62/645,465.15 - Step 6: Final answer
x = 700,703.33
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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.