Finding the Fourth Proportional to 372,403.80, 558,605.70 and 372,403.80
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Solution
The fourth proportional to 372,403.80, 558,605.70 and 372,403.80 is: 558,605.70
Step by Step Solution
- Step 1: Write the proportion equation
372,403.80 : 558,605.70 = 372,403.80 : x - Step 2: Convert to fraction form
372,403.80/558,605.70 = 372,403.80/x - Step 3: Cross multiply
372,403.80x = 558,605.70 × 372,403.80 - Step 4: Simplify right side
372,403.80x = 208,026,885,381.66 - Step 5: Solve for x
x = 208,026,885,381.66/372,403.80 - Step 6: Final answer
x = 558,605.70
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1.5x scale
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.