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Finding the Fourth Proportional to 1,008,448.60, 1,512,672.90 and 1,001,450.20

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Solution

The fourth proportional to 1,008,448.60, 1,512,672.90 and 1,001,450.20 is: 1,502,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,448.60 : 1,512,672.90 = 1,001,450.20 : x
  2. Step 2: Convert to fraction form
    1,008,448.60/1,512,672.90 = 1,001,450.20/x
  3. Step 3: Cross multiply
    1,008,448.60x = 1,512,672.90 × 1,001,450.20
  4. Step 4: Simplify right side
    1,008,448.60x = 1,514,866,578,239.58
  5. Step 5: Solve for x
    x = 1,514,866,578,239.58/1,008,448.60
  6. Step 6: Final answer
    x = 1,502,175.30

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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.