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Finding the Fourth Proportional to 349,920.94, 524,964.70 and 113,263.60

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Solution

The fourth proportional to 349,920.94, 524,964.70 and 113,263.60 is: 169,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,920.94 : 524,964.70 = 113,263.60 : x
  2. Step 2: Convert to fraction form
    349,920.94/524,964.70 = 113,263.60/x
  3. Step 3: Cross multiply
    349,920.94x = 524,964.70 × 113,263.60
  4. Step 4: Simplify right side
    349,920.94x = 59,459,391,794.92
  5. Step 5: Solve for x
    x = 59,459,391,794.92/349,920.94
  6. Step 6: Final answer
    x = 169,922.36

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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.