Finding the Fourth Proportional to 429,835.86, 644,530.95 and 227,541.60
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Solution
The fourth proportional to 429,835.86, 644,530.95 and 227,541.60 is: 341,194.44
Step by Step Solution
- Step 1: Write the proportion equation
429,835.86 : 644,530.95 = 227,541.60 : x - Step 2: Convert to fraction form
429,835.86/644,530.95 = 227,541.60/x - Step 3: Cross multiply
429,835.86x = 644,530.95 × 227,541.60 - Step 4: Simplify right side
429,835.86x = 146,657,603,612.52 - Step 5: Solve for x
x = 146,657,603,612.52/429,835.86 - Step 6: Final answer
x = 341,194.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.