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Finding the Fourth Proportional to 508,952.16, 763,369.92 and 135,004.32

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Solution

The fourth proportional to 508,952.16, 763,369.92 and 135,004.32 is: 202,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,952.16 : 763,369.92 = 135,004.32 : x
  2. Step 2: Convert to fraction form
    508,952.16/763,369.92 = 135,004.32/x
  3. Step 3: Cross multiply
    508,952.16x = 763,369.92 × 135,004.32
  4. Step 4: Simplify right side
    508,952.16x = 103,058,236,958.05
  5. Step 5: Solve for x
    x = 103,058,236,958.05/508,952.16
  6. Step 6: Final answer
    x = 202,491.01

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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.