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Finding the Fourth Proportional to 493,169.40, 740,045.70 and 359,713.80

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Solution

The fourth proportional to 493,169.40, 740,045.70 and 359,713.80 is: 539,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,169.40 : 740,045.70 = 359,713.80 : x
  2. Step 2: Convert to fraction form
    493,169.40/740,045.70 = 359,713.80/x
  3. Step 3: Cross multiply
    493,169.40x = 740,045.70 × 359,713.80
  4. Step 4: Simplify right side
    493,169.40x = 266,204,650,920.66
  5. Step 5: Solve for x
    x = 266,204,650,920.66/493,169.40
  6. Step 6: Final answer
    x = 539,783.39

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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.