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Finding the Fourth Proportional to 928,896.60, 1,298,880.60 and 928,896.60

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Solution

The fourth proportional to 928,896.60, 1,298,880.60 and 928,896.60 is: 1,298,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,896.60 : 1,298,880.60 = 928,896.60 : x
  2. Step 2: Convert to fraction form
    928,896.60/1,298,880.60 = 928,896.60/x
  3. Step 3: Cross multiply
    928,896.60x = 1,298,880.60 × 928,896.60
  4. Step 4: Simplify right side
    928,896.60x = 1,206,525,773,145.96
  5. Step 5: Solve for x
    x = 1,206,525,773,145.96/928,896.60
  6. Step 6: Final answer
    x = 1,298,880.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.