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Finding the Fourth Proportional to 496,965.60, 745,448.40 and 363,121.20

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Solution

The fourth proportional to 496,965.60, 745,448.40 and 363,121.20 is: 544,681.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,965.60 : 745,448.40 = 363,121.20 : x
  2. Step 2: Convert to fraction form
    496,965.60/745,448.40 = 363,121.20/x
  3. Step 3: Cross multiply
    496,965.60x = 745,448.40 × 363,121.20
  4. Step 4: Simplify right side
    496,965.60x = 270,688,117,546.08
  5. Step 5: Solve for x
    x = 270,688,117,546.08/496,965.60
  6. Step 6: Final answer
    x = 544,681.80

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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.