Finding the Fourth Proportional to 507,715.13, 700,724.08 and 324,032.95
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Solution
The fourth proportional to 507,715.13, 700,724.08 and 324,032.95 is: 447,214.74
Step by Step Solution
- Step 1: Write the proportion equation
507,715.13 : 700,724.08 = 324,032.95 : x - Step 2: Convert to fraction form
507,715.13/700,724.08 = 324,032.95/x - Step 3: Cross multiply
507,715.13x = 700,724.08 × 324,032.95 - Step 4: Simplify right side
507,715.13x = 227,057,690,844.26 - Step 5: Solve for x
x = 227,057,690,844.26/507,715.13 - Step 6: Final answer
x = 447,214.74
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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.