Finding the Fourth Proportional to 355,299.13, 533,052.51 and 118,807.84
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Solution
The fourth proportional to 355,299.13, 533,052.51 and 118,807.84 is: 178,246.47
Step by Step Solution
- Step 1: Write the proportion equation
355,299.13 : 533,052.51 = 118,807.84 : x - Step 2: Convert to fraction form
355,299.13/533,052.51 = 118,807.84/x - Step 3: Cross multiply
355,299.13x = 533,052.51 × 118,807.84 - Step 4: Simplify right side
355,299.13x = 63,330,817,319.68 - Step 5: Solve for x
x = 63,330,817,319.68/355,299.13 - Step 6: Final answer
x = 178,246.47
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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.