Finding the Fourth Proportional to 346,461.40, 519,693.30 and 106,573.68
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Solution
The fourth proportional to 346,461.40, 519,693.30 and 106,573.68 is: 159,860.88
Step by Step Solution
- Step 1: Write the proportion equation
346,461.40 : 519,693.30 = 106,573.68 : x - Step 2: Convert to fraction form
346,461.40/519,693.30 = 106,573.68/x - Step 3: Cross multiply
346,461.40x = 519,693.30 × 106,573.68 - Step 4: Simplify right side
346,461.40x = 55,385,624,321.01 - Step 5: Solve for x
x = 55,385,624,321.01/346,461.40 - Step 6: Final answer
x = 159,860.88
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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.