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Finding the Fourth Proportional to 496,893.60, 745,340.40 and 471,232.80

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Solution

The fourth proportional to 496,893.60, 745,340.40 and 471,232.80 is: 706,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,893.60 : 745,340.40 = 471,232.80 : x
  2. Step 2: Convert to fraction form
    496,893.60/745,340.40 = 471,232.80/x
  3. Step 3: Cross multiply
    496,893.60x = 745,340.40 × 471,232.80
  4. Step 4: Simplify right side
    496,893.60x = 351,228,843,645.12
  5. Step 5: Solve for x
    x = 351,228,843,645.12/496,893.60
  6. Step 6: Final answer
    x = 706,849.20

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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.