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Finding the Fourth Proportional to 403,653.60, 604,605.60 and 333,669.60

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Solution

The fourth proportional to 403,653.60, 604,605.60 and 333,669.60 is: 499,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,653.60 : 604,605.60 = 333,669.60 : x
  2. Step 2: Convert to fraction form
    403,653.60/604,605.60 = 333,669.60/x
  3. Step 3: Cross multiply
    403,653.60x = 604,605.60 × 333,669.60
  4. Step 4: Simplify right side
    403,653.60x = 201,738,508,709.76
  5. Step 5: Solve for x
    x = 201,738,508,709.76/403,653.60
  6. Step 6: Final answer
    x = 499,781.27

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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.