Finding the Fourth Proportional to 779,705.19, 1,168,442.42 and 352,179.50
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Solution
The fourth proportional to 779,705.19, 1,168,442.42 and 352,179.50 is: 527,765.45
Step by Step Solution
- Step 1: Write the proportion equation
779,705.19 : 1,168,442.42 = 352,179.50 : x - Step 2: Convert to fraction form
779,705.19/1,168,442.42 = 352,179.50/x - Step 3: Cross multiply
779,705.19x = 1,168,442.42 × 352,179.50 - Step 4: Simplify right side
779,705.19x = 411,501,459,651.28 - Step 5: Solve for x
x = 411,501,459,651.28/779,705.19 - Step 6: Final answer
x = 527,765.45
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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.