Finding the Fourth Proportional to 456,303.61, 684,403.12 and 119,376.79
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Solution
The fourth proportional to 456,303.61, 684,403.12 and 119,376.79 is: 179,051.50
Step by Step Solution
- Step 1: Write the proportion equation
456,303.61 : 684,403.12 = 119,376.79 : x - Step 2: Convert to fraction form
456,303.61/684,403.12 = 119,376.79/x - Step 3: Cross multiply
456,303.61x = 684,403.12 × 119,376.79 - Step 4: Simplify right side
456,303.61x = 81,701,845,969.80 - Step 5: Solve for x
x = 81,701,845,969.80/456,303.61 - Step 6: Final answer
x = 179,051.50
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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.