Finding the Fourth Proportional to 368,574.16, 552,860.76 and 115,876.70
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Solution
The fourth proportional to 368,574.16, 552,860.76 and 115,876.70 is: 173,814.91
Step by Step Solution
- Step 1: Write the proportion equation
368,574.16 : 552,860.76 = 115,876.70 : x - Step 2: Convert to fraction form
368,574.16/552,860.76 = 115,876.70/x - Step 3: Cross multiply
368,574.16x = 552,860.76 × 115,876.70 - Step 4: Simplify right side
368,574.16x = 64,063,682,244.98 - Step 5: Solve for x
x = 64,063,682,244.98/368,574.16 - Step 6: Final answer
x = 173,814.91
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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.