Finding the Fourth Proportional to 567,803.34, 783,562.68 and 313,149.06
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Solution
The fourth proportional to 567,803.34, 783,562.68 and 313,149.06 is: 432,142.43
Step by Step Solution
- Step 1: Write the proportion equation
567,803.34 : 783,562.68 = 313,149.06 : x - Step 2: Convert to fraction form
567,803.34/783,562.68 = 313,149.06/x - Step 3: Cross multiply
567,803.34x = 783,562.68 × 313,149.06 - Step 4: Simplify right side
567,803.34x = 245,371,916,693.08 - Step 5: Solve for x
x = 245,371,916,693.08/567,803.34 - Step 6: Final answer
x = 432,142.43
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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.