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Finding the Fourth Proportional to 347,000.20, 520,014.30 and 276,044.20

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Solution

The fourth proportional to 347,000.20, 520,014.30 and 276,044.20 is: 413,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,000.20 : 520,014.30 = 276,044.20 : x
  2. Step 2: Convert to fraction form
    347,000.20/520,014.30 = 276,044.20/x
  3. Step 3: Cross multiply
    347,000.20x = 520,014.30 × 276,044.20
  4. Step 4: Simplify right side
    347,000.20x = 143,546,931,432.06
  5. Step 5: Solve for x
    x = 143,546,931,432.06/347,000.20
  6. Step 6: Final answer
    x = 413,679.68

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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.