Finding the Fourth Proportional to 589,139.34, 882,885.28 and 318,683.68
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Solution
The fourth proportional to 589,139.34, 882,885.28 and 318,683.68 is: 477,579.94
Step by Step Solution
- Step 1: Write the proportion equation
589,139.34 : 882,885.28 = 318,683.68 : x - Step 2: Convert to fraction form
589,139.34/882,885.28 = 318,683.68/x - Step 3: Cross multiply
589,139.34x = 882,885.28 × 318,683.68 - Step 4: Simplify right side
589,139.34x = 281,361,130,048.23 - Step 5: Solve for x
x = 281,361,130,048.23/589,139.34 - Step 6: Final answer
x = 477,579.94
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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.