Finding the Fourth Proportional to 368,439.17, 552,658.73 and 102,199.68
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Solution
The fourth proportional to 368,439.17, 552,658.73 and 102,199.68 is: 153,299.52
Step by Step Solution
- Step 1: Write the proportion equation
368,439.17 : 552,658.73 = 102,199.68 : x - Step 2: Convert to fraction form
368,439.17/552,658.73 = 102,199.68/x - Step 3: Cross multiply
368,439.17x = 552,658.73 × 102,199.68 - Step 4: Simplify right side
368,439.17x = 56,481,545,610.71 - Step 5: Solve for x
x = 56,481,545,610.71/368,439.17 - Step 6: Final answer
x = 153,299.52
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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.