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Finding the Fourth Proportional to 453,270.16, 679,792.20 and 133,358.37

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Solution

The fourth proportional to 453,270.16, 679,792.20 and 133,358.37 is: 200,004.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,270.16 : 679,792.20 = 133,358.37 : x
  2. Step 2: Convert to fraction form
    453,270.16/679,792.20 = 133,358.37/x
  3. Step 3: Cross multiply
    453,270.16x = 679,792.20 × 133,358.37
  4. Step 4: Simplify right side
    453,270.16x = 90,655,979,730.71
  5. Step 5: Solve for x
    x = 90,655,979,730.71/453,270.16
  6. Step 6: Final answer
    x = 200,004.30

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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.