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Finding the Fourth Proportional to 347,528.61, 520,483.23 and 337,950.72

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Solution

The fourth proportional to 347,528.61, 520,483.23 and 337,950.72 is: 506,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,528.61 : 520,483.23 = 337,950.72 : x
  2. Step 2: Convert to fraction form
    347,528.61/520,483.23 = 337,950.72/x
  3. Step 3: Cross multiply
    347,528.61x = 520,483.23 × 337,950.72
  4. Step 4: Simplify right side
    347,528.61x = 175,897,682,326.43
  5. Step 5: Solve for x
    x = 175,897,682,326.43/347,528.61
  6. Step 6: Final answer
    x = 506,138.71

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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.