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Finding the Fourth Proportional to 584,171.60, 874,313.40 and 423,791.60

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Solution

The fourth proportional to 584,171.60, 874,313.40 and 423,791.60 is: 634,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,171.60 : 874,313.40 = 423,791.60 : x
  2. Step 2: Convert to fraction form
    584,171.60/874,313.40 = 423,791.60/x
  3. Step 3: Cross multiply
    584,171.60x = 874,313.40 × 423,791.60
  4. Step 4: Simplify right side
    584,171.60x = 370,526,674,687.44
  5. Step 5: Solve for x
    x = 370,526,674,687.44/584,171.60
  6. Step 6: Final answer
    x = 634,277.11

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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.