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Finding the Fourth Proportional to 530,735.60, 796,103.40 and 341,778.80

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Solution

The fourth proportional to 530,735.60, 796,103.40 and 341,778.80 is: 512,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,735.60 : 796,103.40 = 341,778.80 : x
  2. Step 2: Convert to fraction form
    530,735.60/796,103.40 = 341,778.80/x
  3. Step 3: Cross multiply
    530,735.60x = 796,103.40 × 341,778.80
  4. Step 4: Simplify right side
    530,735.60x = 272,091,264,727.92
  5. Step 5: Solve for x
    x = 272,091,264,727.92/530,735.60
  6. Step 6: Final answer
    x = 512,668.20

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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.