Finding the Fourth Proportional to 578,416.08, 798,208.63 and 333,310.79
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Solution
The fourth proportional to 578,416.08, 798,208.63 and 333,310.79 is: 459,965.69
Step by Step Solution
- Step 1: Write the proportion equation
578,416.08 : 798,208.63 = 333,310.79 : x - Step 2: Convert to fraction form
578,416.08/798,208.63 = 333,310.79/x - Step 3: Cross multiply
578,416.08x = 798,208.63 × 333,310.79 - Step 4: Simplify right side
578,416.08x = 266,051,549,050.12 - Step 5: Solve for x
x = 266,051,549,050.12/578,416.08 - Step 6: Final answer
x = 459,965.69
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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.