Finding the Fourth Proportional to 717,499.32, 1,076,381.50 and 296,808
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Solution
The fourth proportional to 717,499.32, 1,076,381.50 and 296,808 is: 445,266.82
Step by Step Solution
- Step 1: Write the proportion equation
717,499.32 : 1,076,381.50 = 296,808 : x - Step 2: Convert to fraction form
717,499.32/1,076,381.50 = 296,808/x - Step 3: Cross multiply
717,499.32x = 1,076,381.50 × 296,808 - Step 4: Simplify right side
717,499.32x = 319,478,640,252 - Step 5: Solve for x
x = 319,478,640,252/717,499.32 - Step 6: Final answer
x = 445,266.82
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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.