Finding the Fourth Proportional to 366,962.70, 549,787.95 and 314,474.70
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Solution
The fourth proportional to 366,962.70, 549,787.95 and 314,474.70 is: 471,149.79
Step by Step Solution
- Step 1: Write the proportion equation
366,962.70 : 549,787.95 = 314,474.70 : x - Step 2: Convert to fraction form
366,962.70/549,787.95 = 314,474.70/x - Step 3: Cross multiply
366,962.70x = 549,787.95 × 314,474.70 - Step 4: Simplify right side
366,962.70x = 172,894,400,639.87 - Step 5: Solve for x
x = 172,894,400,639.87/366,962.70 - Step 6: Final answer
x = 471,149.79
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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.