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Finding the Fourth Proportional to 608,812.20, 913,533.42 and 441,711.73

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Solution

The fourth proportional to 608,812.20, 913,533.42 and 441,711.73 is: 662,796.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,812.20 : 913,533.42 = 441,711.73 : x
  2. Step 2: Convert to fraction form
    608,812.20/913,533.42 = 441,711.73/x
  3. Step 3: Cross multiply
    608,812.20x = 913,533.42 × 441,711.73
  4. Step 4: Simplify right side
    608,812.20x = 403,518,430,159.35
  5. Step 5: Solve for x
    x = 403,518,430,159.35/608,812.20
  6. Step 6: Final answer
    x = 662,796.23

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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.