Finding the Fourth Proportional to 295,246.20, 442,869.30 and 268,519.80
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Solution
The fourth proportional to 295,246.20, 442,869.30 and 268,519.80 is: 402,779.70
Step by Step Solution
- Step 1: Write the proportion equation
295,246.20 : 442,869.30 = 268,519.80 : x - Step 2: Convert to fraction form
295,246.20/442,869.30 = 268,519.80/x - Step 3: Cross multiply
295,246.20x = 442,869.30 × 268,519.80 - Step 4: Simplify right side
295,246.20x = 118,919,175,862.14 - Step 5: Solve for x
x = 118,919,175,862.14/295,246.20 - Step 6: Final answer
x = 402,779.70
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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.