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Finding the Fourth Proportional to 425,172.67, 586,739.87 and 234,185.60

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Solution

The fourth proportional to 425,172.67, 586,739.87 and 234,185.60 is: 323,177.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,172.67 : 586,739.87 = 234,185.60 : x
  2. Step 2: Convert to fraction form
    425,172.67/586,739.87 = 234,185.60/x
  3. Step 3: Cross multiply
    425,172.67x = 586,739.87 × 234,185.60
  4. Step 4: Simplify right side
    425,172.67x = 137,406,028,499.87
  5. Step 5: Solve for x
    x = 137,406,028,499.87/425,172.67
  6. Step 6: Final answer
    x = 323,177.00

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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.