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Finding the Fourth Proportional to 348,271.20, 523,520.40 and 323,618.40

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Solution

The fourth proportional to 348,271.20, 523,520.40 and 323,618.40 is: 486,462.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,271.20 : 523,520.40 = 323,618.40 : x
  2. Step 2: Convert to fraction form
    348,271.20/523,520.40 = 323,618.40/x
  3. Step 3: Cross multiply
    348,271.20x = 523,520.40 × 323,618.40
  4. Step 4: Simplify right side
    348,271.20x = 169,420,834,215.36
  5. Step 5: Solve for x
    x = 169,420,834,215.36/348,271.20
  6. Step 6: Final answer
    x = 486,462.37

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1.5x scale

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.