Finding the Fourth Proportional to 633,119.68, 873,788.34 and 361,125.28
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Solution
The fourth proportional to 633,119.68, 873,788.34 and 361,125.28 is: 498,400.33
Step by Step Solution
- Step 1: Write the proportion equation
633,119.68 : 873,788.34 = 361,125.28 : x - Step 2: Convert to fraction form
633,119.68/873,788.34 = 361,125.28/x - Step 3: Cross multiply
633,119.68x = 873,788.34 × 361,125.28 - Step 4: Simplify right side
633,119.68x = 315,547,058,943.24 - Step 5: Solve for x
x = 315,547,058,943.24/633,119.68 - Step 6: Final answer
x = 498,400.33
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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.