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Finding the Fourth Proportional to 677,474.53, 934,924.23 and 371,530.74

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Solution

The fourth proportional to 677,474.53, 934,924.23 and 371,530.74 is: 512,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,474.53 : 934,924.23 = 371,530.74 : x
  2. Step 2: Convert to fraction form
    677,474.53/934,924.23 = 371,530.74/x
  3. Step 3: Cross multiply
    677,474.53x = 934,924.23 × 371,530.74
  4. Step 4: Simplify right side
    677,474.53x = 347,353,091,015.83
  5. Step 5: Solve for x
    x = 347,353,091,015.83/677,474.53
  6. Step 6: Final answer
    x = 512,717.56

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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.