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Finding the Fourth Proportional to 851,410.44, 1,174,924.44 and 469,430.64

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Solution

The fourth proportional to 851,410.44, 1,174,924.44 and 469,430.64 is: 647,802.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,410.44 : 1,174,924.44 = 469,430.64 : x
  2. Step 2: Convert to fraction form
    851,410.44/1,174,924.44 = 469,430.64/x
  3. Step 3: Cross multiply
    851,410.44x = 1,174,924.44 × 469,430.64
  4. Step 4: Simplify right side
    851,410.44x = 551,545,531,820.84
  5. Step 5: Solve for x
    x = 551,545,531,820.84/851,410.44
  6. Step 6: Final answer
    x = 647,802.17

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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.