Finding the Fourth Proportional to 543,888.08, 750,521.53 and 314,460.08
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Solution
The fourth proportional to 543,888.08, 750,521.53 and 314,460.08 is: 433,929.46
Step by Step Solution
- Step 1: Write the proportion equation
543,888.08 : 750,521.53 = 314,460.08 : x - Step 2: Convert to fraction form
543,888.08/750,521.53 = 314,460.08/x - Step 3: Cross multiply
543,888.08x = 750,521.53 × 314,460.08 - Step 4: Simplify right side
543,888.08x = 236,009,059,820.45 - Step 5: Solve for x
x = 236,009,059,820.45/543,888.08 - Step 6: Final answer
x = 433,929.46
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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.