Finding the Fourth Proportional to 468,465.99, 646,483.26 and 253,606.05
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Solution
The fourth proportional to 468,465.99, 646,483.26 and 253,606.05 is: 349,976.45
Step by Step Solution
- Step 1: Write the proportion equation
468,465.99 : 646,483.26 = 253,606.05 : x - Step 2: Convert to fraction form
468,465.99/646,483.26 = 253,606.05/x - Step 3: Cross multiply
468,465.99x = 646,483.26 × 253,606.05 - Step 4: Simplify right side
468,465.99x = 163,952,065,959.72 - Step 5: Solve for x
x = 163,952,065,959.72/468,465.99 - Step 6: Final answer
x = 349,976.45
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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.