Finding the Fourth Proportional to 386,856.06, 575,603.70 and 377,213.82
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Solution
The fourth proportional to 386,856.06, 575,603.70 and 377,213.82 is: 561,257.00
Step by Step Solution
- Step 1: Write the proportion equation
386,856.06 : 575,603.70 = 377,213.82 : x - Step 2: Convert to fraction form
386,856.06/575,603.70 = 377,213.82/x - Step 3: Cross multiply
386,856.06x = 575,603.70 × 377,213.82 - Step 4: Simplify right side
386,856.06x = 217,125,670,483.13 - Step 5: Solve for x
x = 217,125,670,483.13/386,856.06 - Step 6: Final answer
x = 561,257.00
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.