Finding the Fourth Proportional to 417,322.08, 575,905.19 and 226,335.63
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Solution
The fourth proportional to 417,322.08, 575,905.19 and 226,335.63 is: 312,343.56
Step by Step Solution
- Step 1: Write the proportion equation
417,322.08 : 575,905.19 = 226,335.63 : x - Step 2: Convert to fraction form
417,322.08/575,905.19 = 226,335.63/x - Step 3: Cross multiply
417,322.08x = 575,905.19 × 226,335.63 - Step 4: Simplify right side
417,322.08x = 130,347,862,867.24 - Step 5: Solve for x
x = 130,347,862,867.24/417,322.08 - Step 6: Final answer
x = 312,343.56
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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.