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Finding the Fourth Proportional to 959,963.60, 1,439,556.60 and 328,552.40

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Solution

The fourth proportional to 959,963.60, 1,439,556.60 and 328,552.40 is: 492,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,963.60 : 1,439,556.60 = 328,552.40 : x
  2. Step 2: Convert to fraction form
    959,963.60/1,439,556.60 = 328,552.40/x
  3. Step 3: Cross multiply
    959,963.60x = 1,439,556.60 × 328,552.40
  4. Step 4: Simplify right side
    959,963.60x = 472,969,775,865.84
  5. Step 5: Solve for x
    x = 472,969,775,865.84/959,963.60
  6. Step 6: Final answer
    x = 492,695.53

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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.