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Finding the Fourth Proportional to 493,132.80, 738,532.80 and 334,502.40

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Solution

The fourth proportional to 493,132.80, 738,532.80 and 334,502.40 is: 500,962.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,132.80 : 738,532.80 = 334,502.40 : x
  2. Step 2: Convert to fraction form
    493,132.80/738,532.80 = 334,502.40/x
  3. Step 3: Cross multiply
    493,132.80x = 738,532.80 × 334,502.40
  4. Step 4: Simplify right side
    493,132.80x = 247,040,994,078.72
  5. Step 5: Solve for x
    x = 247,040,994,078.72/493,132.80
  6. Step 6: Final answer
    x = 500,962.41

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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.