Finding the Fourth Proportional to 632,720.30, 873,154.08 and 346,240.44
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Solution
The fourth proportional to 632,720.30, 873,154.08 and 346,240.44 is: 477,811.84
Step by Step Solution
- Step 1: Write the proportion equation
632,720.30 : 873,154.08 = 346,240.44 : x - Step 2: Convert to fraction form
632,720.30/873,154.08 = 346,240.44/x - Step 3: Cross multiply
632,720.30x = 873,154.08 × 346,240.44 - Step 4: Simplify right side
632,720.30x = 302,321,252,847.00 - Step 5: Solve for x
x = 302,321,252,847.00/632,720.30 - Step 6: Final answer
x = 477,811.84
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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.