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Finding the Fourth Proportional to 965,627.60, 1,449,996.60 and 651,477.20

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Solution

The fourth proportional to 965,627.60, 1,449,996.60 and 651,477.20 is: 978,265.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,627.60 : 1,449,996.60 = 651,477.20 : x
  2. Step 2: Convert to fraction form
    965,627.60/1,449,996.60 = 651,477.20/x
  3. Step 3: Cross multiply
    965,627.60x = 1,449,996.60 × 651,477.20
  4. Step 4: Simplify right side
    965,627.60x = 944,639,724,977.52
  5. Step 5: Solve for x
    x = 944,639,724,977.52/965,627.60
  6. Step 6: Final answer
    x = 978,265.04

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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.