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Finding the Fourth Proportional to 664,301.70, 996,598.35 and 214,946.10

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Solution

The fourth proportional to 664,301.70, 996,598.35 and 214,946.10 is: 322,466.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,301.70 : 996,598.35 = 214,946.10 : x
  2. Step 2: Convert to fraction form
    664,301.70/996,598.35 = 214,946.10/x
  3. Step 3: Cross multiply
    664,301.70x = 996,598.35 × 214,946.10
  4. Step 4: Simplify right side
    664,301.70x = 214,214,928,598.94
  5. Step 5: Solve for x
    x = 214,214,928,598.94/664,301.70
  6. Step 6: Final answer
    x = 322,466.33

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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.