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Finding the Fourth Proportional to 347,660.20, 520,712.70 and 301,004.20

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Solution

The fourth proportional to 347,660.20, 520,712.70 and 301,004.20 is: 450,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,660.20 : 520,712.70 = 301,004.20 : x
  2. Step 2: Convert to fraction form
    347,660.20/520,712.70 = 301,004.20/x
  3. Step 3: Cross multiply
    347,660.20x = 520,712.70 × 301,004.20
  4. Step 4: Simplify right side
    347,660.20x = 156,736,709,693.34
  5. Step 5: Solve for x
    x = 156,736,709,693.34/347,660.20
  6. Step 6: Final answer
    x = 450,833.05

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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.