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Finding the Fourth Proportional to 441,970.11, 609,890.02 and 260,640.48

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Solution

The fourth proportional to 441,970.11, 609,890.02 and 260,640.48 is: 359,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,970.11 : 609,890.02 = 260,640.48 : x
  2. Step 2: Convert to fraction form
    441,970.11/609,890.02 = 260,640.48/x
  3. Step 3: Cross multiply
    441,970.11x = 609,890.02 × 260,640.48
  4. Step 4: Simplify right side
    441,970.11x = 158,962,027,560.01
  5. Step 5: Solve for x
    x = 158,962,027,560.01/441,970.11
  6. Step 6: Final answer
    x = 359,666.92

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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.