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Finding the Fourth Proportional to 623,472.96, 935,559.69 and 339,183.38

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Solution

The fourth proportional to 623,472.96, 935,559.69 and 339,183.38 is: 508,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,472.96 : 935,559.69 = 339,183.38 : x
  2. Step 2: Convert to fraction form
    623,472.96/935,559.69 = 339,183.38/x
  3. Step 3: Cross multiply
    623,472.96x = 935,559.69 × 339,183.38
  4. Step 4: Simplify right side
    623,472.96x = 317,326,298,912.91
  5. Step 5: Solve for x
    x = 317,326,298,912.91/623,472.96
  6. Step 6: Final answer
    x = 508,965.61

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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.