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Finding the Fourth Proportional to 493,862.50, 740,453.33 and 194,377.47

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Solution

The fourth proportional to 493,862.50, 740,453.33 and 194,377.47 is: 291,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,862.50 : 740,453.33 = 194,377.47 : x
  2. Step 2: Convert to fraction form
    493,862.50/740,453.33 = 194,377.47/x
  3. Step 3: Cross multiply
    493,862.50x = 740,453.33 × 194,377.47
  4. Step 4: Simplify right side
    493,862.50x = 143,927,442,647.72
  5. Step 5: Solve for x
    x = 143,927,442,647.72/493,862.50
  6. Step 6: Final answer
    x = 291,432.22

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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.