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Finding the Fourth Proportional to 349,868.60, 524,198.10 and 162,495.80

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Solution

The fourth proportional to 349,868.60, 524,198.10 and 162,495.80 is: 243,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,868.60 : 524,198.10 = 162,495.80 : x
  2. Step 2: Convert to fraction form
    349,868.60/524,198.10 = 162,495.80/x
  3. Step 3: Cross multiply
    349,868.60x = 524,198.10 × 162,495.80
  4. Step 4: Simplify right side
    349,868.60x = 85,179,989,617.98
  5. Step 5: Solve for x
    x = 85,179,989,617.98/349,868.60
  6. Step 6: Final answer
    x = 243,462.80

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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.