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Finding the Fourth Proportional to 681,134.16, 940,038.96 and 375,241.90

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Solution

The fourth proportional to 681,134.16, 940,038.96 and 375,241.90 is: 517,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,134.16 : 940,038.96 = 375,241.90 : x
  2. Step 2: Convert to fraction form
    681,134.16/940,038.96 = 375,241.90/x
  3. Step 3: Cross multiply
    681,134.16x = 940,038.96 × 375,241.90
  4. Step 4: Simplify right side
    681,134.16x = 352,742,005,424.42
  5. Step 5: Solve for x
    x = 352,742,005,424.42/681,134.16
  6. Step 6: Final answer
    x = 517,874.49

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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.