Finding the Fourth Proportional to 519,157.98, 716,438.14 and 286,585.11
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Solution
The fourth proportional to 519,157.98, 716,438.14 and 286,585.11 is: 395,487.52
Step by Step Solution
- Step 1: Write the proportion equation
519,157.98 : 716,438.14 = 286,585.11 : x - Step 2: Convert to fraction form
519,157.98/716,438.14 = 286,585.11/x - Step 3: Cross multiply
519,157.98x = 716,438.14 × 286,585.11 - Step 4: Simplify right side
519,157.98x = 205,320,502,443.63 - Step 5: Solve for x
x = 205,320,502,443.63/519,157.98 - Step 6: Final answer
x = 395,487.52
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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.