Finding the Fourth Proportional to 779,952.16, 1,169,928.60 and 281,316.16
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Solution
The fourth proportional to 779,952.16, 1,169,928.60 and 281,316.16 is: 421,974.37
Step by Step Solution
- Step 1: Write the proportion equation
779,952.16 : 1,169,928.60 = 281,316.16 : x - Step 2: Convert to fraction form
779,952.16/1,169,928.60 = 281,316.16/x - Step 3: Cross multiply
779,952.16x = 1,169,928.60 × 281,316.16 - Step 4: Simplify right side
779,952.16x = 329,119,821,226.18 - Step 5: Solve for x
x = 329,119,821,226.18/779,952.16 - Step 6: Final answer
x = 421,974.37
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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.