Finding the Fourth Proportional to 575,123.99, 793,660.46 and 313,481.52
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Solution
The fourth proportional to 575,123.99, 793,660.46 and 313,481.52 is: 432,598.70
Step by Step Solution
- Step 1: Write the proportion equation
575,123.99 : 793,660.46 = 313,481.52 : x - Step 2: Convert to fraction form
575,123.99/793,660.46 = 313,481.52/x - Step 3: Cross multiply
575,123.99x = 793,660.46 × 313,481.52 - Step 4: Simplify right side
575,123.99x = 248,797,885,797.29 - Step 5: Solve for x
x = 248,797,885,797.29/575,123.99 - Step 6: Final answer
x = 432,598.70
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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.