Finding the Fourth Proportional to 349,917.18, 524,959.07 and 113,259.84
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Solution
The fourth proportional to 349,917.18, 524,959.07 and 113,259.84 is: 169,916.72
Step by Step Solution
- Step 1: Write the proportion equation
349,917.18 : 524,959.07 = 113,259.84 : x - Step 2: Convert to fraction form
349,917.18/524,959.07 = 113,259.84/x - Step 3: Cross multiply
349,917.18x = 524,959.07 × 113,259.84 - Step 4: Simplify right side
349,917.18x = 59,456,779,708.45 - Step 5: Solve for x
x = 59,456,779,708.45/349,917.18 - Step 6: Final answer
x = 169,916.72
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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.