Finding the Fourth Proportional to 403,911.80, 564,370.60 and 403,911.80
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Solution
The fourth proportional to 403,911.80, 564,370.60 and 403,911.80 is: 564,370.60
Step by Step Solution
- Step 1: Write the proportion equation
403,911.80 : 564,370.60 = 403,911.80 : x - Step 2: Convert to fraction form
403,911.80/564,370.60 = 403,911.80/x - Step 3: Cross multiply
403,911.80x = 564,370.60 × 403,911.80 - Step 4: Simplify right side
403,911.80x = 227,955,944,913.08 - Step 5: Solve for x
x = 227,955,944,913.08/403,911.80 - Step 6: Final answer
x = 564,370.60
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.