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Finding the Fourth Proportional to 608,993.30, 913,582.19 and 441,775.45

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Solution

The fourth proportional to 608,993.30, 913,582.19 and 441,775.45 is: 662,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,993.30 : 913,582.19 = 441,775.45 : x
  2. Step 2: Convert to fraction form
    608,993.30/913,582.19 = 441,775.45/x
  3. Step 3: Cross multiply
    608,993.30x = 913,582.19 × 441,775.45
  4. Step 4: Simplify right side
    608,993.30x = 403,598,185,345.65
  5. Step 5: Solve for x
    x = 403,598,185,345.65/608,993.30
  6. Step 6: Final answer
    x = 662,730.09

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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.