Finding the Fourth Proportional to 702.01, 968.93 and 469
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Solution
The fourth proportional to 702.01, 968.93 and 469 is: 647.32
Step by Step Solution
- Step 1: Write the proportion equation
702.01 : 968.93 = 469 : x - Step 2: Convert to fraction form
702.01/968.93 = 469/x - Step 3: Cross multiply
702.01x = 968.93 × 469 - Step 4: Simplify right side
702.01x = 454,428.17 - Step 5: Solve for x
x = 454,428.17/702.01 - Step 6: Final answer
x = 647.32
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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.