Finding the Fourth Proportional to 523,363.74, 722,239.92 and 293,889.12
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Solution
The fourth proportional to 523,363.74, 722,239.92 and 293,889.12 is: 405,565.84
Step by Step Solution
- Step 1: Write the proportion equation
523,363.74 : 722,239.92 = 293,889.12 : x - Step 2: Convert to fraction form
523,363.74/722,239.92 = 293,889.12/x - Step 3: Cross multiply
523,363.74x = 722,239.92 × 293,889.12 - Step 4: Simplify right side
523,363.74x = 212,258,454,517.67 - Step 5: Solve for x
x = 212,258,454,517.67/523,363.74 - Step 6: Final answer
x = 405,565.84
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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.