Finding the Fourth Proportional to 472,963.98, 652,704.12 and 258,117.84
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Solution
The fourth proportional to 472,963.98, 652,704.12 and 258,117.84 is: 356,210.17
Step by Step Solution
- Step 1: Write the proportion equation
472,963.98 : 652,704.12 = 258,117.84 : x - Step 2: Convert to fraction form
472,963.98/652,704.12 = 258,117.84/x - Step 3: Cross multiply
472,963.98x = 652,704.12 × 258,117.84 - Step 4: Simplify right side
472,963.98x = 168,474,577,613.50 - Step 5: Solve for x
x = 168,474,577,613.50/472,963.98 - Step 6: Final answer
x = 356,210.17
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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.