Finding the Fourth Proportional to 783,778.46, 1,175,520.05 and 304,005.34
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Solution
The fourth proportional to 783,778.46, 1,175,520.05 and 304,005.34 is: 455,950.74
Step by Step Solution
- Step 1: Write the proportion equation
783,778.46 : 1,175,520.05 = 304,005.34 : x - Step 2: Convert to fraction form
783,778.46/1,175,520.05 = 304,005.34/x - Step 3: Cross multiply
783,778.46x = 1,175,520.05 × 304,005.34 - Step 4: Simplify right side
783,778.46x = 357,364,365,079.44 - Step 5: Solve for x
x = 357,364,365,079.44/783,778.46 - Step 6: Final answer
x = 455,950.74
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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.