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Finding the Fourth Proportional to 427,691.52, 590,162.52 and 246,462.84

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Solution

The fourth proportional to 427,691.52, 590,162.52 and 246,462.84 is: 340,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,691.52 : 590,162.52 = 246,462.84 : x
  2. Step 2: Convert to fraction form
    427,691.52/590,162.52 = 246,462.84/x
  3. Step 3: Cross multiply
    427,691.52x = 590,162.52 × 246,462.84
  4. Step 4: Simplify right side
    427,691.52x = 145,453,130,740.76
  5. Step 5: Solve for x
    x = 145,453,130,740.76/427,691.52
  6. Step 6: Final answer
    x = 340,088.88

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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.