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Finding the Fourth Proportional to 560,218.21, 773,161.02 and 342,554.46

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Solution

The fourth proportional to 560,218.21, 773,161.02 and 342,554.46 is: 472,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,218.21 : 773,161.02 = 342,554.46 : x
  2. Step 2: Convert to fraction form
    560,218.21/773,161.02 = 342,554.46/x
  3. Step 3: Cross multiply
    560,218.21x = 773,161.02 × 342,554.46
  4. Step 4: Simplify right side
    560,218.21x = 264,849,755,699.15
  5. Step 5: Solve for x
    x = 264,849,755,699.15/560,218.21
  6. Step 6: Final answer
    x = 472,761.78

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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.