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Finding the Fourth Proportional to 400,535.92, 600,802.36 and 163,878.52

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Solution

The fourth proportional to 400,535.92, 600,802.36 and 163,878.52 is: 245,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,535.92 : 600,802.36 = 163,878.52 : x
  2. Step 2: Convert to fraction form
    400,535.92/600,802.36 = 163,878.52/x
  3. Step 3: Cross multiply
    400,535.92x = 600,802.36 × 163,878.52
  4. Step 4: Simplify right side
    400,535.92x = 98,458,600,749.91
  5. Step 5: Solve for x
    x = 98,458,600,749.91/400,535.92
  6. Step 6: Final answer
    x = 245,817.16

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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.