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Finding the Fourth Proportional to 603,043.20, 903,252.60 and 365,972.40

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Solution

The fourth proportional to 603,043.20, 903,252.60 and 365,972.40 is: 548,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,043.20 : 903,252.60 = 365,972.40 : x
  2. Step 2: Convert to fraction form
    603,043.20/903,252.60 = 365,972.40/x
  3. Step 3: Cross multiply
    603,043.20x = 903,252.60 × 365,972.40
  4. Step 4: Simplify right side
    603,043.20x = 330,565,521,828.24
  5. Step 5: Solve for x
    x = 330,565,521,828.24/603,043.20
  6. Step 6: Final answer
    x = 548,162.26

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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.