Finding the Fourth Proportional to 610,202.90, 842,415.19 and 416,901.26
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Solution
The fourth proportional to 610,202.90, 842,415.19 and 416,901.26 is: 575,552.74
Step by Step Solution
- Step 1: Write the proportion equation
610,202.90 : 842,415.19 = 416,901.26 : x - Step 2: Convert to fraction form
610,202.90/842,415.19 = 416,901.26/x - Step 3: Cross multiply
610,202.90x = 842,415.19 × 416,901.26 - Step 4: Simplify right side
610,202.90x = 351,203,955,217.92 - Step 5: Solve for x
x = 351,203,955,217.92/610,202.90 - Step 6: Final answer
x = 575,552.74
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1.5x scale
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.