Finding the Fourth Proportional to 537,013.70, 741,076.27 and 316,379.09
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Solution
The fourth proportional to 537,013.70, 741,076.27 and 316,379.09 is: 436,601.58
Step by Step Solution
- Step 1: Write the proportion equation
537,013.70 : 741,076.27 = 316,379.09 : x - Step 2: Convert to fraction form
537,013.70/741,076.27 = 316,379.09/x - Step 3: Cross multiply
537,013.70x = 741,076.27 × 316,379.09 - Step 4: Simplify right side
537,013.70x = 234,461,031,426.87 - Step 5: Solve for x
x = 234,461,031,426.87/537,013.70 - Step 6: Final answer
x = 436,601.58
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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.