Finding the Fourth Proportional to 644,435.52, 966,663 and 223,724.76
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Solution
The fourth proportional to 644,435.52, 966,663 and 223,724.76 is: 335,590.51
Step by Step Solution
- Step 1: Write the proportion equation
644,435.52 : 966,663 = 223,724.76 : x - Step 2: Convert to fraction form
644,435.52/966,663 = 223,724.76/x - Step 3: Cross multiply
644,435.52x = 966,663 × 223,724.76 - Step 4: Simplify right side
644,435.52x = 216,266,447,675.88 - Step 5: Solve for x
x = 216,266,447,675.88/644,435.52 - Step 6: Final answer
x = 335,590.51
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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.