Finding the Fourth Proportional to 498,347.48, 687,698.16 and 294,464
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Solution
The fourth proportional to 498,347.48, 687,698.16 and 294,464 is: 406,347.70
Step by Step Solution
- Step 1: Write the proportion equation
498,347.48 : 687,698.16 = 294,464 : x - Step 2: Convert to fraction form
498,347.48/687,698.16 = 294,464/x - Step 3: Cross multiply
498,347.48x = 687,698.16 × 294,464 - Step 4: Simplify right side
498,347.48x = 202,502,350,986.24 - Step 5: Solve for x
x = 202,502,350,986.24/498,347.48 - Step 6: Final answer
x = 406,347.70
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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.