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Finding the Fourth Proportional to 347,573.10, 520,484.85 and 228,600.30

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Solution

The fourth proportional to 347,573.10, 520,484.85 and 228,600.30 is: 342,325.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,573.10 : 520,484.85 = 228,600.30 : x
  2. Step 2: Convert to fraction form
    347,573.10/520,484.85 = 228,600.30/x
  3. Step 3: Cross multiply
    347,573.10x = 520,484.85 × 228,600.30
  4. Step 4: Simplify right side
    347,573.10x = 118,982,992,855.46
  5. Step 5: Solve for x
    x = 118,982,992,855.46/347,573.10
  6. Step 6: Final answer
    x = 342,325.09

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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.