Finding the Fourth Proportional to 552,521.13, 828,699.58 and 153,120.26
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Solution
The fourth proportional to 552,521.13, 828,699.58 and 153,120.26 is: 229,657.63
Step by Step Solution
- Step 1: Write the proportion equation
552,521.13 : 828,699.58 = 153,120.26 : x - Step 2: Convert to fraction form
552,521.13/828,699.58 = 153,120.26/x - Step 3: Cross multiply
552,521.13x = 828,699.58 × 153,120.26 - Step 4: Simplify right side
552,521.13x = 126,890,695,151.49 - Step 5: Solve for x
x = 126,890,695,151.49/552,521.13 - Step 6: Final answer
x = 229,657.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.