Finding the Fourth Proportional to 410,931.71, 567,108.16 and 229,643.99
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Solution
The fourth proportional to 410,931.71, 567,108.16 and 229,643.99 is: 316,921.22
Step by Step Solution
- Step 1: Write the proportion equation
410,931.71 : 567,108.16 = 229,643.99 : x - Step 2: Convert to fraction form
410,931.71/567,108.16 = 229,643.99/x - Step 3: Cross multiply
410,931.71x = 567,108.16 × 229,643.99 - Step 4: Simplify right side
410,931.71x = 130,232,977,214.31 - Step 5: Solve for x
x = 130,232,977,214.31/410,931.71 - Step 6: Final answer
x = 316,921.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.