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Finding the Fourth Proportional to 333,658.56, 500,565.60 and 109,029.36

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Solution

The fourth proportional to 333,658.56, 500,565.60 and 109,029.36 is: 163,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,658.56 : 500,565.60 = 109,029.36 : x
  2. Step 2: Convert to fraction form
    333,658.56/500,565.60 = 109,029.36/x
  3. Step 3: Cross multiply
    333,658.56x = 500,565.60 × 109,029.36
  4. Step 4: Simplify right side
    333,658.56x = 54,576,347,006.02
  5. Step 5: Solve for x
    x = 54,576,347,006.02/333,658.56
  6. Step 6: Final answer
    x = 163,569.45

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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.