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Finding the Fourth Proportional to 560,984.63, 841,470.87 and 448,135.43

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Solution

The fourth proportional to 560,984.63, 841,470.87 and 448,135.43 is: 672,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,984.63 : 841,470.87 = 448,135.43 : x
  2. Step 2: Convert to fraction form
    560,984.63/841,470.87 = 448,135.43/x
  3. Step 3: Cross multiply
    560,984.63x = 841,470.87 × 448,135.43
  4. Step 4: Simplify right side
    560,984.63x = 377,092,910,159.92
  5. Step 5: Solve for x
    x = 377,092,910,159.92/560,984.63
  6. Step 6: Final answer
    x = 672,198.29

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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.