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Finding the Fourth Proportional to 403,984.37, 605,975.54 and 119,697.05

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Solution

The fourth proportional to 403,984.37, 605,975.54 and 119,697.05 is: 179,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,984.37 : 605,975.54 = 119,697.05 : x
  2. Step 2: Convert to fraction form
    403,984.37/605,975.54 = 119,697.05/x
  3. Step 3: Cross multiply
    403,984.37x = 605,975.54 × 119,697.05
  4. Step 4: Simplify right side
    403,984.37x = 72,533,484,510.16
  5. Step 5: Solve for x
    x = 72,533,484,510.16/403,984.37
  6. Step 6: Final answer
    x = 179,545.27

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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.