Finding the Fourth Proportional to 561,444.68, 842,076.65 and 156,647.38
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Solution
The fourth proportional to 561,444.68, 842,076.65 and 156,647.38 is: 234,945.86
Step by Step Solution
- Step 1: Write the proportion equation
561,444.68 : 842,076.65 = 156,647.38 : x - Step 2: Convert to fraction form
561,444.68/842,076.65 = 156,647.38/x - Step 3: Cross multiply
561,444.68x = 842,076.65 × 156,647.38 - Step 4: Simplify right side
561,444.68x = 131,909,100,981.68 - Step 5: Solve for x
x = 131,909,100,981.68/561,444.68 - Step 6: Final answer
x = 234,945.86
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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.