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Finding the Fourth Proportional to 349,900.90, 524,934.64 and 113,243.57

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Solution

The fourth proportional to 349,900.90, 524,934.64 and 113,243.57 is: 169,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,900.90 : 524,934.64 = 113,243.57 : x
  2. Step 2: Convert to fraction form
    349,900.90/524,934.64 = 113,243.57/x
  3. Step 3: Cross multiply
    349,900.90x = 524,934.64 × 113,243.57
  4. Step 4: Simplify right side
    349,900.90x = 59,445,474,451.41
  5. Step 5: Solve for x
    x = 59,445,474,451.41/349,900.90
  6. Step 6: Final answer
    x = 169,892.32

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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.