Finding the Fourth Proportional to 497,497.80, 746,246.70 and 165,073.80
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Solution
The fourth proportional to 497,497.80, 746,246.70 and 165,073.80 is: 247,610.70
Step by Step Solution
- Step 1: Write the proportion equation
497,497.80 : 746,246.70 = 165,073.80 : x - Step 2: Convert to fraction form
497,497.80/746,246.70 = 165,073.80/x - Step 3: Cross multiply
497,497.80x = 746,246.70 × 165,073.80 - Step 4: Simplify right side
497,497.80x = 123,185,778,506.46 - Step 5: Solve for x
x = 123,185,778,506.46/497,497.80 - Step 6: Final answer
x = 247,610.70
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1.5x scale
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.