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Finding the Fourth Proportional to 3,572,295.43, 4,929,802.23 and 1,940,714.47

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Solution

The fourth proportional to 3,572,295.43, 4,929,802.23 and 1,940,714.47 is: 2,678,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,295.43 : 4,929,802.23 = 1,940,714.47 : x
  2. Step 2: Convert to fraction form
    3,572,295.43/4,929,802.23 = 1,940,714.47/x
  3. Step 3: Cross multiply
    3,572,295.43x = 4,929,802.23 × 1,940,714.47
  4. Step 4: Simplify right side
    3,572,295.43x = 9,567,338,497,350.26
  5. Step 5: Solve for x
    x = 9,567,338,497,350.26/3,572,295.43
  6. Step 6: Final answer
    x = 2,678,204.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.