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Finding the Fourth Proportional to 635,254.13, 876,652.41 and 348,792.77

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Solution

The fourth proportional to 635,254.13, 876,652.41 and 348,792.77 is: 481,334.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,254.13 : 876,652.41 = 348,792.77 : x
  2. Step 2: Convert to fraction form
    635,254.13/876,652.41 = 348,792.77/x
  3. Step 3: Cross multiply
    635,254.13x = 876,652.41 × 348,792.77
  4. Step 4: Simplify right side
    635,254.13x = 305,770,018,027.81
  5. Step 5: Solve for x
    x = 305,770,018,027.81/635,254.13
  6. Step 6: Final answer
    x = 481,334.96

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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.