Finding the Fourth Proportional to 392,210.72, 588,316 and 234,484.32
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Solution
The fourth proportional to 392,210.72, 588,316 and 234,484.32 is: 351,726.43
Step by Step Solution
- Step 1: Write the proportion equation
392,210.72 : 588,316 = 234,484.32 : x - Step 2: Convert to fraction form
392,210.72/588,316 = 234,484.32/x - Step 3: Cross multiply
392,210.72x = 588,316 × 234,484.32 - Step 4: Simplify right side
392,210.72x = 137,950,877,205.12 - Step 5: Solve for x
x = 137,950,877,205.12/392,210.72 - Step 6: Final answer
x = 351,726.43
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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.