Finding the Fourth Proportional to 447,637.08, 617,821.98 and 256,651.80
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Solution
The fourth proportional to 447,637.08, 617,821.98 and 256,651.80 is: 354,226.96
Step by Step Solution
- Step 1: Write the proportion equation
447,637.08 : 617,821.98 = 256,651.80 : x - Step 2: Convert to fraction form
447,637.08/617,821.98 = 256,651.80/x - Step 3: Cross multiply
447,637.08x = 617,821.98 × 256,651.80 - Step 4: Simplify right side
447,637.08x = 158,565,123,246.56 - Step 5: Solve for x
x = 158,565,123,246.56/447,637.08 - Step 6: Final answer
x = 354,226.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.