Finding the Fourth Proportional to 354,237.48, 488,663.37 and 224,954.73
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Solution
The fourth proportional to 354,237.48, 488,663.37 and 224,954.73 is: 310,320.46
Step by Step Solution
- Step 1: Write the proportion equation
354,237.48 : 488,663.37 = 224,954.73 : x - Step 2: Convert to fraction form
354,237.48/488,663.37 = 224,954.73/x - Step 3: Cross multiply
354,237.48x = 488,663.37 × 224,954.73 - Step 4: Simplify right side
354,237.48x = 109,927,136,459.24 - Step 5: Solve for x
x = 109,927,136,459.24/354,237.48 - Step 6: Final answer
x = 310,320.46
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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.