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Finding the Fourth Proportional to 581,875.20, 873,201.60 and 266,169.60

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Solution

The fourth proportional to 581,875.20, 873,201.60 and 266,169.60 is: 399,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,875.20 : 873,201.60 = 266,169.60 : x
  2. Step 2: Convert to fraction form
    581,875.20/873,201.60 = 266,169.60/x
  3. Step 3: Cross multiply
    581,875.20x = 873,201.60 × 266,169.60
  4. Step 4: Simplify right side
    581,875.20x = 232,419,720,591.36
  5. Step 5: Solve for x
    x = 232,419,720,591.36/581,875.20
  6. Step 6: Final answer
    x = 399,432.25

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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.