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Finding the Fourth Proportional to 608,729.38, 911,549.39 and 365,419.04

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Solution

The fourth proportional to 608,729.38, 911,549.39 and 365,419.04 is: 547,201.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,729.38 : 911,549.39 = 365,419.04 : x
  2. Step 2: Convert to fraction form
    608,729.38/911,549.39 = 365,419.04/x
  3. Step 3: Cross multiply
    608,729.38x = 911,549.39 × 365,419.04
  4. Step 4: Simplify right side
    608,729.38x = 333,097,496,621.54
  5. Step 5: Solve for x
    x = 333,097,496,621.54/608,729.38
  6. Step 6: Final answer
    x = 547,201.28

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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.