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Finding the Fourth Proportional to 560,986.63, 841,473.87 and 448,137.43

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Solution

The fourth proportional to 560,986.63, 841,473.87 and 448,137.43 is: 672,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,986.63 : 841,473.87 = 448,137.43 : x
  2. Step 2: Convert to fraction form
    560,986.63/841,473.87 = 448,137.43/x
  3. Step 3: Cross multiply
    560,986.63x = 841,473.87 × 448,137.43
  4. Step 4: Simplify right side
    560,986.63x = 377,095,937,513.95
  5. Step 5: Solve for x
    x = 377,095,937,513.95/560,986.63
  6. Step 6: Final answer
    x = 672,201.29

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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.