Finding the Fourth Proportional to 374,682.79, 562,029.36 and 121,964.56
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Solution
The fourth proportional to 374,682.79, 562,029.36 and 121,964.56 is: 182,948.52
Step by Step Solution
- Step 1: Write the proportion equation
374,682.79 : 562,029.36 = 121,964.56 : x - Step 2: Convert to fraction form
374,682.79/562,029.36 = 121,964.56/x - Step 3: Cross multiply
374,682.79x = 562,029.36 × 121,964.56 - Step 4: Simplify right side
374,682.79x = 68,547,663,599.48 - Step 5: Solve for x
x = 68,547,663,599.48/374,682.79 - Step 6: Final answer
x = 182,948.52
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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.