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Finding the Fourth Proportional to 351,576.92, 526,464.52 and 243,356.24

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Solution

The fourth proportional to 351,576.92, 526,464.52 and 243,356.24 is: 364,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,576.92 : 526,464.52 = 243,356.24 : x
  2. Step 2: Convert to fraction form
    351,576.92/526,464.52 = 243,356.24/x
  3. Step 3: Cross multiply
    351,576.92x = 526,464.52 × 243,356.24
  4. Step 4: Simplify right side
    351,576.92x = 128,118,426,080.61
  5. Step 5: Solve for x
    x = 128,118,426,080.61/351,576.92
  6. Step 6: Final answer
    x = 364,410.80

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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.