Finding the Fourth Proportional to 651.95, 977.92 and 470.50
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Solution
The fourth proportional to 651.95, 977.92 and 470.50 is: 705.75
Step by Step Solution
- Step 1: Write the proportion equation
651.95 : 977.92 = 470.50 : x - Step 2: Convert to fraction form
651.95/977.92 = 470.50/x - Step 3: Cross multiply
651.95x = 977.92 × 470.50 - Step 4: Simplify right side
651.95x = 460,111.36 - Step 5: Solve for x
x = 460,111.36/651.95 - Step 6: Final answer
x = 705.75
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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.