Finding the Fourth Proportional to 572,967.35, 859,451.18 and 213,091.17
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Solution
The fourth proportional to 572,967.35, 859,451.18 and 213,091.17 is: 319,636.82
Step by Step Solution
- Step 1: Write the proportion equation
572,967.35 : 859,451.18 = 213,091.17 : x - Step 2: Convert to fraction form
572,967.35/859,451.18 = 213,091.17/x - Step 3: Cross multiply
572,967.35x = 859,451.18 × 213,091.17 - Step 4: Simplify right side
572,967.35x = 183,141,460,467.30 - Step 5: Solve for x
x = 183,141,460,467.30/572,967.35 - Step 6: Final answer
x = 319,636.82
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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.