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Finding the Fourth Proportional to 452,863.71, 624,635.55 and 384,408.59

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Solution

The fourth proportional to 452,863.71, 624,635.55 and 384,408.59 is: 530,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,863.71 : 624,635.55 = 384,408.59 : x
  2. Step 2: Convert to fraction form
    452,863.71/624,635.55 = 384,408.59/x
  3. Step 3: Cross multiply
    452,863.71x = 624,635.55 × 384,408.59
  4. Step 4: Simplify right side
    452,863.71x = 240,115,267,916.20
  5. Step 5: Solve for x
    x = 240,115,267,916.20/452,863.71
  6. Step 6: Final answer
    x = 530,215.30

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1.5x scale

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.