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Finding the Fourth Proportional to 337,430.60, 506,729.10 and 219,624.20

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Solution

The fourth proportional to 337,430.60, 506,729.10 and 219,624.20 is: 329,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,430.60 : 506,729.10 = 219,624.20 : x
  2. Step 2: Convert to fraction form
    337,430.60/506,729.10 = 219,624.20/x
  3. Step 3: Cross multiply
    337,430.60x = 506,729.10 × 219,624.20
  4. Step 4: Simplify right side
    337,430.60x = 111,289,973,204.22
  5. Step 5: Solve for x
    x = 111,289,973,204.22/337,430.60
  6. Step 6: Final answer
    x = 329,815.89

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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.