Finding the Fourth Proportional to 432,713.06, 597,140.72 and 239,133.79
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Solution
The fourth proportional to 432,713.06, 597,140.72 and 239,133.79 is: 330,002.80
Step by Step Solution
- Step 1: Write the proportion equation
432,713.06 : 597,140.72 = 239,133.79 : x - Step 2: Convert to fraction form
432,713.06/597,140.72 = 239,133.79/x - Step 3: Cross multiply
432,713.06x = 597,140.72 × 239,133.79 - Step 4: Simplify right side
432,713.06x = 142,796,519,355.56 - Step 5: Solve for x
x = 142,796,519,355.56/432,713.06 - Step 6: Final answer
x = 330,002.80
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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.