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Finding the Fourth Proportional to 496,005.60, 743,950.80 and 141,074.40

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Solution

The fourth proportional to 496,005.60, 743,950.80 and 141,074.40 is: 211,595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,005.60 : 743,950.80 = 141,074.40 : x
  2. Step 2: Convert to fraction form
    496,005.60/743,950.80 = 141,074.40/x
  3. Step 3: Cross multiply
    496,005.60x = 743,950.80 × 141,074.40
  4. Step 4: Simplify right side
    496,005.60x = 104,952,412,739.52
  5. Step 5: Solve for x
    x = 104,952,412,739.52/496,005.60
  6. Step 6: Final answer
    x = 211,595.22

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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.