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Finding the Fourth Proportional to 470,269.60, 705,404.40 and 463,271.20

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Solution

The fourth proportional to 470,269.60, 705,404.40 and 463,271.20 is: 694,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,269.60 : 705,404.40 = 463,271.20 : x
  2. Step 2: Convert to fraction form
    470,269.60/705,404.40 = 463,271.20/x
  3. Step 3: Cross multiply
    470,269.60x = 705,404.40 × 463,271.20
  4. Step 4: Simplify right side
    470,269.60x = 326,793,542,873.28
  5. Step 5: Solve for x
    x = 326,793,542,873.28/470,269.60
  6. Step 6: Final answer
    x = 694,906.80

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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.