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Finding the Fourth Proportional to 404,904.20, 607,529.10 and 194,433.80

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Solution

The fourth proportional to 404,904.20, 607,529.10 and 194,433.80 is: 291,733.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,904.20 : 607,529.10 = 194,433.80 : x
  2. Step 2: Convert to fraction form
    404,904.20/607,529.10 = 194,433.80/x
  3. Step 3: Cross multiply
    404,904.20x = 607,529.10 × 194,433.80
  4. Step 4: Simplify right side
    404,904.20x = 118,124,191,523.58
  5. Step 5: Solve for x
    x = 118,124,191,523.58/404,904.20
  6. Step 6: Final answer
    x = 291,733.68

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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.