Finding the Fourth Proportional to 961,395.30, 1,442,122.38 and 330,300
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Solution
The fourth proportional to 961,395.30, 1,442,122.38 and 330,300 is: 495,460.11
Step by Step Solution
- Step 1: Write the proportion equation
961,395.30 : 1,442,122.38 = 330,300 : x - Step 2: Convert to fraction form
961,395.30/1,442,122.38 = 330,300/x - Step 3: Cross multiply
961,395.30x = 1,442,122.38 × 330,300 - Step 4: Simplify right side
961,395.30x = 476,333,022,114.00 - Step 5: Solve for x
x = 476,333,022,114.00/961,395.30 - Step 6: Final answer
x = 495,460.11
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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.