Finding the Fourth Proportional to 537,175.60, 805,763.40 and 403,331.20
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Solution
The fourth proportional to 537,175.60, 805,763.40 and 403,331.20 is: 604,996.80
Step by Step Solution
- Step 1: Write the proportion equation
537,175.60 : 805,763.40 = 403,331.20 : x - Step 2: Convert to fraction form
537,175.60/805,763.40 = 403,331.20/x - Step 3: Cross multiply
537,175.60x = 805,763.40 × 403,331.20 - Step 4: Simplify right side
537,175.60x = 324,989,519,038.08 - Step 5: Solve for x
x = 324,989,519,038.08/537,175.60 - Step 6: Final answer
x = 604,996.80
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1.5x scale
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.