Finding the Fourth Proportional to 546,554.96, 754,246.99 and 304,831.32
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Solution
The fourth proportional to 546,554.96, 754,246.99 and 304,831.32 is: 420,667.86
Step by Step Solution
- Step 1: Write the proportion equation
546,554.96 : 754,246.99 = 304,831.32 : x - Step 2: Convert to fraction form
546,554.96/754,246.99 = 304,831.32/x - Step 3: Cross multiply
546,554.96x = 754,246.99 × 304,831.32 - Step 4: Simplify right side
546,554.96x = 229,918,103,120.34 - Step 5: Solve for x
x = 229,918,103,120.34/546,554.96 - Step 6: Final answer
x = 420,667.86
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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.