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Finding the Fourth Proportional to 2,917,154.50, 4,375,742.10 and 895,398.58

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Solution

The fourth proportional to 2,917,154.50, 4,375,742.10 and 895,398.58 is: 1,343,101.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,154.50 : 4,375,742.10 = 895,398.58 : x
  2. Step 2: Convert to fraction form
    2,917,154.50/4,375,742.10 = 895,398.58/x
  3. Step 3: Cross multiply
    2,917,154.50x = 4,375,742.10 × 895,398.58
  4. Step 4: Simplify right side
    2,917,154.50x = 3,918,033,262,786.22
  5. Step 5: Solve for x
    x = 3,918,033,262,786.22/2,917,154.50
  6. Step 6: Final answer
    x = 1,343,101.05

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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.