Finding the Fourth Proportional to 534,823.40, 802,235.10 and 234,985.70
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Solution
The fourth proportional to 534,823.40, 802,235.10 and 234,985.70 is: 352,478.55
Step by Step Solution
- Step 1: Write the proportion equation
534,823.40 : 802,235.10 = 234,985.70 : x - Step 2: Convert to fraction form
534,823.40/802,235.10 = 234,985.70/x - Step 3: Cross multiply
534,823.40x = 802,235.10 × 234,985.70 - Step 4: Simplify right side
534,823.40x = 188,513,776,538.07 - Step 5: Solve for x
x = 188,513,776,538.07/534,823.40 - Step 6: Final answer
x = 352,478.55
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Similar ratio
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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.