Finding the Fourth Proportional to 575,153.99, 793,758.18 and 317,076.80
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Solution
The fourth proportional to 575,153.99, 793,758.18 and 317,076.80 is: 437,591.16
Step by Step Solution
- Step 1: Write the proportion equation
575,153.99 : 793,758.18 = 317,076.80 : x - Step 2: Convert to fraction form
575,153.99/793,758.18 = 317,076.80/x - Step 3: Cross multiply
575,153.99x = 793,758.18 × 317,076.80 - Step 4: Simplify right side
575,153.99x = 251,682,303,688.22 - Step 5: Solve for x
x = 251,682,303,688.22/575,153.99 - Step 6: Final answer
x = 437,591.16
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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.