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Finding the Fourth Proportional to 608,027.40, 839,078.01 and 332,386.47

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Solution

The fourth proportional to 608,027.40, 839,078.01 and 332,386.47 is: 458,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,027.40 : 839,078.01 = 332,386.47 : x
  2. Step 2: Convert to fraction form
    608,027.40/839,078.01 = 332,386.47/x
  3. Step 3: Cross multiply
    608,027.40x = 839,078.01 × 332,386.47
  4. Step 4: Simplify right side
    608,027.40x = 278,898,177,798.53
  5. Step 5: Solve for x
    x = 278,898,177,798.53/608,027.40
  6. Step 6: Final answer
    x = 458,693.44

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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.