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Finding the Fourth Proportional to 1,026,175.20, 1,535,763.60 and 1,026,175.20

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Solution

The fourth proportional to 1,026,175.20, 1,535,763.60 and 1,026,175.20 is: 1,535,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,175.20 : 1,535,763.60 = 1,026,175.20 : x
  2. Step 2: Convert to fraction form
    1,026,175.20/1,535,763.60 = 1,026,175.20/x
  3. Step 3: Cross multiply
    1,026,175.20x = 1,535,763.60 × 1,026,175.20
  4. Step 4: Simplify right side
    1,026,175.20x = 1,575,962,519,382.72
  5. Step 5: Solve for x
    x = 1,575,962,519,382.72/1,026,175.20
  6. Step 6: Final answer
    x = 1,535,763.60

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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.