Finding the Fourth Proportional to 705,773.42, 1,058,064.99 and 306,113.18
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Solution
The fourth proportional to 705,773.42, 1,058,064.99 and 306,113.18 is: 458,911.64
Step by Step Solution
- Step 1: Write the proportion equation
705,773.42 : 1,058,064.99 = 306,113.18 : x - Step 2: Convert to fraction form
705,773.42/1,058,064.99 = 306,113.18/x - Step 3: Cross multiply
705,773.42x = 1,058,064.99 × 306,113.18 - Step 4: Simplify right side
705,773.42x = 323,887,633,445.24 - Step 5: Solve for x
x = 323,887,633,445.24/705,773.42 - Step 6: Final answer
x = 458,911.64
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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.