Finding the Fourth Proportional to 614,743.80, 922,115.70 and 614,743.80
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Solution
The fourth proportional to 614,743.80, 922,115.70 and 614,743.80 is: 922,115.70
Step by Step Solution
- Step 1: Write the proportion equation
614,743.80 : 922,115.70 = 614,743.80 : x - Step 2: Convert to fraction form
614,743.80/922,115.70 = 614,743.80/x - Step 3: Cross multiply
614,743.80x = 922,115.70 × 614,743.80 - Step 4: Simplify right side
614,743.80x = 566,864,909,457.66 - Step 5: Solve for x
x = 566,864,909,457.66/614,743.80 - Step 6: Final answer
x = 922,115.70
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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.