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Finding the Fourth Proportional to 376,751.12, 519,615.86 and 247,822.01

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Solution

The fourth proportional to 376,751.12, 519,615.86 and 247,822.01 is: 341,796.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,751.12 : 519,615.86 = 247,822.01 : x
  2. Step 2: Convert to fraction form
    376,751.12/519,615.86 = 247,822.01/x
  3. Step 3: Cross multiply
    376,751.12x = 519,615.86 × 247,822.01
  4. Step 4: Simplify right side
    376,751.12x = 128,772,243,015.89
  5. Step 5: Solve for x
    x = 128,772,243,015.89/376,751.12
  6. Step 6: Final answer
    x = 341,796.58

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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.