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Finding the Fourth Proportional to 543,265.77, 749,705.49 and 301,551.24

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Solution

The fourth proportional to 543,265.77, 749,705.49 and 301,551.24 is: 416,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,265.77 : 749,705.49 = 301,551.24 : x
  2. Step 2: Convert to fraction form
    543,265.77/749,705.49 = 301,551.24/x
  3. Step 3: Cross multiply
    543,265.77x = 749,705.49 × 301,551.24
  4. Step 4: Simplify right side
    543,265.77x = 226,074,620,144.31
  5. Step 5: Solve for x
    x = 226,074,620,144.31/543,265.77
  6. Step 6: Final answer
    x = 416,140.00

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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.