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Finding the Fourth Proportional to 452,865.72, 624,638.30 and 384,410.58

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Solution

The fourth proportional to 452,865.72, 624,638.30 and 384,410.58 is: 530,218.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,865.72 : 624,638.30 = 384,410.58 : x
  2. Step 2: Convert to fraction form
    452,865.72/624,638.30 = 384,410.58/x
  3. Step 3: Cross multiply
    452,865.72x = 624,638.30 × 384,410.58
  4. Step 4: Simplify right side
    452,865.72x = 240,117,571,193.21
  5. Step 5: Solve for x
    x = 240,117,571,193.21/452,865.72
  6. Step 6: Final answer
    x = 530,218.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.