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Finding the Fourth Proportional to 603,141.80, 903,530.06 and 349,890.44

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Solution

The fourth proportional to 603,141.80, 903,530.06 and 349,890.44 is: 524,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,141.80 : 903,530.06 = 349,890.44 : x
  2. Step 2: Convert to fraction form
    603,141.80/903,530.06 = 349,890.44/x
  3. Step 3: Cross multiply
    603,141.80x = 903,530.06 × 349,890.44
  4. Step 4: Simplify right side
    603,141.80x = 316,136,530,246.63
  5. Step 5: Solve for x
    x = 316,136,530,246.63/603,141.80
  6. Step 6: Final answer
    x = 524,149.60

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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.