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Finding the Fourth Proportional to 349,340.40, 524,010.60 and 200,041.20

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Solution

The fourth proportional to 349,340.40, 524,010.60 and 200,041.20 is: 300,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,340.40 : 524,010.60 = 200,041.20 : x
  2. Step 2: Convert to fraction form
    349,340.40/524,010.60 = 200,041.20/x
  3. Step 3: Cross multiply
    349,340.40x = 524,010.60 × 200,041.20
  4. Step 4: Simplify right side
    349,340.40x = 104,823,709,236.72
  5. Step 5: Solve for x
    x = 104,823,709,236.72/349,340.40
  6. Step 6: Final answer
    x = 300,061.80

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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.