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Finding the Fourth Proportional to 332,386.40, 498,579.60 and 332,386.40

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Solution

The fourth proportional to 332,386.40, 498,579.60 and 332,386.40 is: 498,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,386.40 : 498,579.60 = 332,386.40 : x
  2. Step 2: Convert to fraction form
    332,386.40/498,579.60 = 332,386.40/x
  3. Step 3: Cross multiply
    332,386.40x = 498,579.60 × 332,386.40
  4. Step 4: Simplify right side
    332,386.40x = 165,721,078,357.44
  5. Step 5: Solve for x
    x = 165,721,078,357.44/332,386.40
  6. Step 6: Final answer
    x = 498,579.60

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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.