Finding the Fourth Proportional to 423,508.68, 584,443.12 and 232,534.44
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Solution
The fourth proportional to 423,508.68, 584,443.12 and 232,534.44 is: 320,898.15
Step by Step Solution
- Step 1: Write the proportion equation
423,508.68 : 584,443.12 = 232,534.44 : x - Step 2: Convert to fraction form
423,508.68/584,443.12 = 232,534.44/x - Step 3: Cross multiply
423,508.68x = 584,443.12 × 232,534.44 - Step 4: Simplify right side
423,508.68x = 135,903,153,621.05 - Step 5: Solve for x
x = 135,903,153,621.05/423,508.68 - Step 6: Final answer
x = 320,898.15
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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.