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Finding the Fourth Proportional to 603,140.80, 903,528.56 and 349,889.44

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Solution

The fourth proportional to 603,140.80, 903,528.56 and 349,889.44 is: 524,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,140.80 : 903,528.56 = 349,889.44 : x
  2. Step 2: Convert to fraction form
    603,140.80/903,528.56 = 349,889.44/x
  3. Step 3: Cross multiply
    603,140.80x = 903,528.56 × 349,889.44
  4. Step 4: Simplify right side
    603,140.80x = 316,135,101,882.41
  5. Step 5: Solve for x
    x = 316,135,101,882.41/603,140.80
  6. Step 6: Final answer
    x = 524,148.10

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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.